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.