Gaya APA

Widodo, M, P, (., Devrye, C. (2003). Good service is good business : 7 strategi sederhana menuju sukses. . Jakarta: .

Gaya MLA

Widodo, M., Prihminto, (penerjemah)., Devrye, Catherine. "Good service is good business : 7 strategi sederhana menuju sukses.". Jakarta: , 2003. Text.