APA-ийн эшлэл(7 дахь хэвлэлт)

Library of Congress & Subjet Cataloging Division. (2007). Subject Headings (30th. ed.). The National Bibliographic Service.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Library of Congress ба Subjet Cataloging Division. Subject Headings. 30th. ed. Washington: The National Bibliographic Service, 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Library of Congress ба Subjet Cataloging Division. Subject Headings. 30th. ed. The National Bibliographic Service, 2007.