Chan, L. M. (2005). Library of Congress subject headings: Principles and applications (4th ed.). Libraries Unlimited.
Cita Chicago (17th ed.)Chan, Lois Mai. Library of Congress Subject Headings: Principles and Applications. 4th ed. Westport, Conn: Libraries Unlimited, 2005.
Cita MLA (9th ed.)Chan, Lois Mai. Library of Congress Subject Headings: Principles and Applications. 4th ed. Libraries Unlimited, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.