Gaya APA

penerjemah, , T, S., Tschohl, J. (2003). Achieving excellence through customer service : unggul bersaing melalui layanan pelanggan . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

penerjemah, , Tjita, Singo., Tschohl, John. "Achieving excellence through customer service : unggul bersaing melalui layanan pelanggan". Jakarta: Gramedia Pustaka Utama, 2003. Teks.