Gaya APA

m.a, D, A, H. (1990). Essentials Of Management (Edisi 5). New York: mcgraw-hill publihing company.

Gaya MLA

m.a, Dra.siti, Aminah, Har,. "Essentials Of Management". Edisi 5 New York: mcgraw-hill publihing company, 1990. Text.