APA-referens (7:e uppl.)

U. S. Library of Congress. Subject Cataloging Division & Library of Congress. Classification Division. (1953). Classification. Class U: Military science (Third edition.). [U. S. Government Printing Office].

Chicago-referens (17:e uppl.)

U. S. Library of Congress. Subject Cataloging Division och Library of Congress. Classification Division. Classification. Class U: Military Science. Third edition. Washington: [U. S. Government Printing Office], 1953.

MLA-referens (9:e uppl.)

U. S. Library of Congress. Subject Cataloging Division och Library of Congress. Classification Division. Classification. Class U: Military Science. Third edition. [U. S. Government Printing Office], 1953.