Παραπομπή APA

Valentine, R. F. (1973). Initiative and managerial power. AMACOM.

Παραπομπή Chicago Style

Valentine, Raymond F. Initiative and Managerial Power. New York: AMACOM, 1973.

Παραπομπή MLA

Valentine, Raymond F. Initiative and Managerial Power. AMACOM, 1973.