APA aipamena

Bella Chip R. & Zebke Ron. (2007). Managing Knock Your Socks off Service. American Management Association.

Chicago Style aipamena

Bella Chip R. and Zebke Ron. Managing Knock Your Socks off Service. NewYork: American Management Association, 2007.

MLA aipamena

Bella Chip R. and Zebke Ron. Managing Knock Your Socks off Service. American Management Association, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.