Reference and User Services Association. (1997). Reference & user services quarterly. American Library Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Reference and User Services Association. Reference & User Services Quarterly. Chicago: American Library Association, 1997.
MLA -ийн эшлэл (9 дэх хэвлэлт)Reference and User Services Association. Reference & User Services Quarterly. American Library Association, 1997.
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