reference book

Pronunciation:			'refuruns bûk
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	Definition:		[n]  a book to which you can refer for authoritative facts; "he contributed articles to the basic reference work on that topic"
	Synonyms:		book of facts, reference, reference work
	See Also:		annual, atlas, book, book of maps, cookbook, cookery book, cyclopaedia, cyclopedia, directory, enchiridion, encyclopaedia, encyclopedia, handbook, instruction book, map collection, source book, vade mecum, wordbook, yearbook