Gaya APA

Devrye, C., Prihminto, I, W, M. (1997). Good service is good business 7 strategi sederhana menuju sukses . Jakarta: .

Gaya MLA

Devrye, Catherine., Prihminto, I., Widodo,, M.. "Good service is good business 7 strategi sederhana menuju sukses". Jakarta: , 1997. Text.