APA aipamena

De Vrye, C. (1997). Good Service Is Good Bussiness 7 Simple Strategis For Succes. Jakarta: Gramedia Pustaka Utama.

Chicago Style aipamena

De Vrye, Catherine. Good Service Is Good Bussiness 7 Simple Strategis For Succes. Jakarta: Gramedia Pustaka Utama, 1997.

MLA aipamena

De Vrye, Catherine. Good Service Is Good Bussiness 7 Simple Strategis For Succes. Jakarta: Gramedia Pustaka Utama, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.