Gaya APA

Kagen, J., Lang, C. (1978). Psychology and Education an Introducation an Introduction . United States of America: Harcourt Bcace Jovanovich.

Gaya MLA

Kagen, Jerome., Lang, Cynthia. "Psychology and Education an Introducation an Introduction". United States of America: Harcourt Bcace Jovanovich, 1978. Text.