Gaya APA

Windasuri, H. et al (2016). Excellent Service: The Secrets of Building a Service Organization (-). Jakarta: PT. Gramedia Pustaka Utama.

Gaya MLA

Windasuri, Heria. et al. "Excellent Service: The Secrets of Building a Service Organization". - Jakarta: PT. Gramedia Pustaka Utama, 2016. Text.