(1965). Sears list of subject headings with suggestions for the beginner in subject heading work ed by Barbara Marietta Westby (9th ed.).
Chicago Edition CitationSears List of Subject Headings with Suggestions for the Beginner in Subject Heading Work Ed by Barbara Marietta Westby. 9th ed. 1965.
Cita MLASears List of Subject Headings with Suggestions for the Beginner in Subject Heading Work Ed by Barbara Marietta Westby. 9th ed. 1965.
Atenció: Aquestes cites poden no estar 100% correctes.