Παραπομπή APA

Dewey M. (2012). Essential Library of Congress subject heading. Facet Publishing.

Παραπομπή Chicago Style

Dewey M. Essential Library of Congress Subject Heading. London: Facet Publishing, 2012.

Παραπομπή MLA

Dewey M. Essential Library of Congress Subject Heading. Facet Publishing, 2012.