APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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