Chan, L. M. (1986). Library of Congress subject headings: Principles and applications (2nd ed.). Libraries Unlimited.
Lua i Stíl Chicago (17ú heag.)Chan, Lois Mai. Library of Congress Subject Headings: Principles and Applications. 2nd ed. Littleton, Colo: Libraries Unlimited, 1986.
Lua MLA (9ú heag.)Chan, Lois Mai. Library of Congress Subject Headings: Principles and Applications. 2nd ed. Libraries Unlimited, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.