Παραπομπή APA

Blum, M. L. (1949). Industrial psychology: Its theoretical and social foundations. Harper & Row.

Παραπομπή Chicago Style

Blum, Milton L. Industrial Psychology: Its Theoretical and Social Foundations. NewYork: Harper & Row, 1949.

Παραπομπή MLA

Blum, Milton L. Industrial Psychology: Its Theoretical and Social Foundations. Harper & Row, 1949.