APA-referens (7:e uppl.)

Lipham, J. M. . [. o. c., & Fruth, M. J. (1976). The principal and individually guided education. Addison-Wesley Pub. Co..

Chicago-referens (17:e uppl.)

Lipham, James M. [from old catalog], och Marvin J. Fruth. The Principal and Individually Guided Education. Reading, Mass.: Addison-Wesley Pub. Co., 1976.

MLA-referens (8:e uppl.)

Lipham, James M. [from old catalog], och Marvin J. Fruth. The Principal and Individually Guided Education. Addison-Wesley Pub. Co., 1976.