Many students rely on the library's reference works when starting research projects.

The university library has updated its collection of reference books for the new curriculum.

Before heading into the hills, write down the grid reference so the rescue team can locate your position.

Before the rescue team left, they recorded all the grid references on a waterproof notepad.

When updating the regex engine, we preserved support for back-references to maintain compatibility with existing patterns.

Writers sometimes prefer to use the form back-reference when documenting regular expressions.

Before approving the loan, the bank requested several credit references to verify the applicant's payment history.

When analyzing relativity, physicists must carefully choose their frames of reference to describe motion.

Before the hearing, she submitted a character reference from her former employer describing her integrity and work ethic.

Call-by-reference is an evaluation strategy in which the arguments to a function are evaluated first, and a pointer to the result is passed to the function.