Παραπομπή σε μορφή APA (7η εκδ.)

Valletutti, P. J. (1979). Individuslizing educational objectives and Programs: A modular approach. University park Pr..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Valletutti, Peter J. Individuslizing Educational Objectives and Programs: A Modular Approach. Baltimore: University park Pr., 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Valletutti, Peter J. Individuslizing Educational Objectives and Programs: A Modular Approach. University park Pr., 1979.