APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

Mathematica, inc., Princeton, N.J, en 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 (8e ed.) Bronvermelding

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