Gaya APA

Tjiptono, F. (2007). Prinsip-prinsip total quality service (TQS) (5). Yogyakarta: ANDI.

Gaya MLA

Tjiptono, Fandy. "Prinsip-prinsip total quality service (TQS)". 5 Yogyakarta: ANDI, 2007. Text.