Gaya APA

Tschohl, John, Franzmeier, Steve, Singo, Tjita. (2003). Achieving Excellence Through Customer Service : (unggul bersaing melalui layanan pelanggan) . Jakarta: Gramedia Pustaka Utama.

Gaya Chicago

Tschohl, John, Franzmeier, Steve, Singo, Tjita. Achieving Excellence Through Customer Service : (unggul bersaing melalui layanan pelanggan). Jakarta: Gramedia Pustaka Utama, 2003. Text.

Gaya MLA

Tschohl, John, Franzmeier, Steve, Singo, Tjita. Achieving Excellence Through Customer Service : (unggul bersaing melalui layanan pelanggan). Jakarta: Gramedia Pustaka Utama, 2003. Text.

Gaya Turabian

Tschohl, John, Franzmeier, Steve, Singo, Tjita. Achieving Excellence Through Customer Service : (unggul bersaing melalui layanan pelanggan). Jakarta: Gramedia Pustaka Utama, 2003. Print.