APA-referens (7:e uppl.)

Weisgerber, R. A. (1971). Perspectives in individualized learning. F. E. Peacock.

Chicago-referens (17:e uppl.)

Weisgerber, Robert A. Perspectives in Individualized Learning. Itasca, Illinois.: F. E. Peacock, 1971.

MLA-referens (8:e uppl.)

Weisgerber, Robert A. Perspectives in Individualized Learning. F. E. Peacock, 1971.