Παραπομπή APA

Cullen, J., & D'Innocenzo, L. (2001). art of motivating and leading people. Pentagon Press.

Παραπομπή Chicago Style

Cullen, Jack, και Len D'Innocenzo. Art of Motivating and Leading People. New Delhi: Pentagon Press, 2001.

Παραπομπή MLA

Cullen, Jack, και Len D'Innocenzo. Art of Motivating and Leading People. Pentagon Press, 2001.