Παραπομπή APA
Crosby, P. B. (1990). Leading: The art of becoming an executive. New York: McGraw-Hill.
Παραπομπή Chicago StyleCrosby, Philip B. Leading: The Art of Becoming an Executive. New York: McGraw-Hill, 1990.
Παραπομπή MLACrosby, Philip B. Leading: The Art of Becoming an Executive. New York: McGraw-Hill, 1990.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.