Gaya APA

Bittel, L, R., Newstrom, J, W. (1990). What every supervisor should know : the complete guide to supervisory management (6th ed.). New York: McGraw-Hill.

Gaya MLA

Bittel, Lester, R.., Newstrom, John, W.. "What every supervisor should know : the complete guide to supervisory management". 6th ed. New York: McGraw-Hill, 1990. Buku/Printed Material.