Gaya APA

Swanson, C, P., Devrye, C. (1997). Good service is good business 7 strategi sederhana menuju sukses . Jakarta: .

Gaya MLA

Swanson, Carl, P.., Devrye, Catherine. "Good service is good business 7 strategi sederhana menuju sukses". Jakarta: , 1997. Text.