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توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Library of Congress. Subject Cataloging Division, Gale Research Company, & Savage, H. (1983). Library of Congress classification schedules, a cumulation of additions and changes through 1981. Gale Research Co..

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Library of Congress. Subject Cataloging Division, Gale Research Company, و Helen Savage. Library of Congress Classification Schedules, a Cumulation of Additions and Changes Through 1981. Detroit, Mich.: Gale Research Co., 1983.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Library of Congress. Subject Cataloging Division, et al. Library of Congress Classification Schedules, a Cumulation of Additions and Changes Through 1981. Gale Research Co., 1983.