Παραπομπή APA

Blum Milton L & James C. Naylor. (1956). industrial psychology: Its theoretical and social foundations. Harper & row publishers.

Παραπομπή Chicago Style

Blum Milton L και James C. Naylor. Industrial Psychology: Its Theoretical and Social Foundations. London: Harper & row publishers, 1956.

Παραπομπή MLA

Blum Milton L και James C. Naylor. Industrial Psychology: Its Theoretical and Social Foundations. Harper & row publishers, 1956.