APA-referens (7:e uppl.)

VALLETUTTI, P. J., & SALPINO, A. O. (1979). Individualizing educational objectives and programs: A modular approach. University Park.

Chicago-referens (17:e uppl.)

VALLETUTTI, Peter J., och Anthony O. SALPINO. Individualizing Educational Objectives and Programs: A Modular Approach. Baltimore: University Park, 1979.

MLA-referens (9:e uppl.)

VALLETUTTI, Peter J., och Anthony O. SALPINO. Individualizing Educational Objectives and Programs: A Modular Approach. University Park, 1979.