A posting reference in a ___ includes the page number of the account debited or credited in the ___ and serves as a link to cross-reference the transaction from one record to another.

Ledger; journal.

Explanation:

Financial accounting is an accounting technique used for analyzing, summarizing and reporting of financial transactions like sales costs, purchase costs, account payables and receivables of an organization using standard financial guidelines such as Generally Accepted Accounting Principles (GAAP) and financial accounting standards board (FASB).

Thus, it is a field of accounting involving specific processes such as recording, summarizing, analysis and reporting of financial transactions with respect to business operations over a specific period of time. Financial experts or accountant uses either the cash basis or accrual basis of accounting.

A general journal is used for initially recording a transaction before it's then subsequently transferred or posted to the general ledger. In Financial accounting, this process of transferring information about a transaction from the general journal to the general ledger is known as posting.

Furthermore, the main purpose of a general ledger is to list all accounts used in recording an organization's transactions and as such it contains a list of transactions affecting each account and the account's balance.

The page number of the account debited or credited in the journal is written in a posting reference of a ledger and it usually serves as a link to cross-reference or juxtapose the transaction from one record to another in a business firm.