APA-referens (7:e uppl.)

Mathematica, inc., Princeton, N.J, & United States. National Advisory Commission on Libraries. (1967). On library statistics: Submitted to the National Advisory Commission on Libraries. National Advisory Commission on Libraries.

Chicago-referens (17:e uppl.)

Mathematica, inc., Princeton, N.J, och United States. National Advisory Commission on Libraries. On Library Statistics: Submitted to the National Advisory Commission on Libraries. Washington, D.C.: National Advisory Commission on Libraries, 1967.

MLA-referens (8:e uppl.)

Mathematica, inc., Princeton, N.J, och United States. National Advisory Commission on Libraries. On Library Statistics: Submitted to the National Advisory Commission on Libraries. National Advisory Commission on Libraries, 1967.