Read this excerpt from a works cited page for an informative essay. Works Cited

Ferry, Christopher. Racial Change in Civil War America. New York: Sunspot Press, 2011. Print.

“Underground Railroad.” World Book Online. 2012. Web. 20 December 2012. .

Which best describes the two citations?
The two citations indicate possible plagiarism by the essay writer.
The two citations make it difficult to know where to find the sources.
The two citations provide information on how to locate the sources.
The two citations change the information in the writer’s essay.

Please don't answer if you just need points, write a proper answer, like a, b, c, or d, you can explain if you like, but I don't need an explanation.

Wear a mask, keep your distance, and wash your hands, stay safe! : )

I looked this question up and found that there should be a website address right after "Underground Railroad.” World Book Online. 2012. Web. 20 December 2012.

It contains the word "worldbookonline", but I will not post the whole thing here so that will not interpret it as a link to an external website. However, this information is important for us to find the correct answer.

The option that best describes the two citations is:

C. The two citations provide information on how to locate the sources.

Explanation:

Both citations make it clear what type of source was used - print or digital. For the first one, we get to know the publisher's name and the year, which makes it easier to locate. For the second one, we are given the link to the website where it can be found so that we too can access it. Therefore, both citations provide information that helps us locate the sources.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.