APA-ийн эшлэл(7 дахь хэвлэлт)

Library of Congress & Subjet Cataloging Division. (1999). Library of Congress Subject Headings (22nd ed.). The National Bibliographic Service.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Library of Congress ба Subjet Cataloging Division. Library of Congress Subject Headings. 22nd ed. Washington: The National Bibliographic Service, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Library of Congress ба Subjet Cataloging Division. Library of Congress Subject Headings. 22nd ed. The National Bibliographic Service, 1999.