plural of reference library

A library that exclusively collects reference books (which may not be lent out to the general public).

(astronomy) A star whose identity, position and magnitude are accurately known

(information science) A reference that specifies within some taxonomy or text typology one or more defined categories into which the referenced article, computer file etc. belongs.

plural of category reference

plural of character reference

plural of idea of reference

plural of reference star

plural of reference variable

plural of reference mark