Citazione Stile APA (7a Edizione)

Wittig, A. F. (1981). Schaum's outline of theory and problems of psychology of learning. McGraw-Hill Book Company.

Citazione stile Chigago Style (17a edizione)

Wittig, Arno F. Schaum's Outline of Theory and Problems of Psychology of Learning. New York [i pozostałe]: McGraw-Hill Book Company, 1981.

Citatione MLA (9a ed.)

Wittig, Arno F. Schaum's Outline of Theory and Problems of Psychology of Learning. McGraw-Hill Book Company, 1981.