@BOOK{ Book!D - 77790619,
AUTHOR = "Katz, William A.",
TITLE = "Introduction to reference work",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "، Reference services )Libraries(,Bibliography ، Reference books",
URL = "/book/77790619/Introduction-to-reference-work/"}