Παραπομπή APA

(1997). Sear's list of subject heading (16th ed.). H.W.Wilson.

Παραπομπή Chicago Style

Sear's List of Subject Heading. 16th ed. New York: H.W.Wilson, 1997.

Παραπομπή MLA

Sear's List of Subject Heading. 16th ed. H.W.Wilson, 1997.