Gaya APA

Humphries, J., Iryandi, A, M. (1997). How to manage a sales team (Cet. 1). Jakarta: PT Elex Media Komputindo.

Gaya MLA

Humphries, John., Iryandi, AK,, M.Comm. "How to manage a sales team". Cet. 1 Jakarta: PT Elex Media Komputindo, 1997. Text.