Παραπομπή APA

Petrullo, L., & Bass, B. M. (1961). Leadership and inerpersonal behaviour. Holt rinehart and winston.

Παραπομπή Chicago Style

Petrullo, Luigi, και Bermard M. Bass. Leadership and Inerpersonal Behaviour. New york: Holt rinehart and winston, 1961.

Παραπομπή MLA

Petrullo, Luigi, και Bermard M. Bass. Leadership and Inerpersonal Behaviour. Holt rinehart and winston, 1961.