.Westby, B. M. (1977). Sears list of subject headings (11th ed.). The H. W. Wilson Company.
Citación estilo Chicago.Westby, Barbara M. Sears List of Subject Headings. 11th ed. New York: The H. W. Wilson Company, 1977.
Cita MLA.Westby, Barbara M. Sears List of Subject Headings. 11th ed. The H. W. Wilson Company, 1977.
Warning: These citations may not always be 100% accurate.