Παραπομπή APA

Tead, O. (1935). Art of leadership. Mcgraw Hill.

Παραπομπή Chicago Style

Tead, Ordway. Art of Leadership. New York: Mcgraw Hill, 1935.

Παραπομπή MLA

Tead, Ordway. Art of Leadership. Mcgraw Hill, 1935.