APA aipamena

Siguaw, J. A. (2004). Hospitality salesSelling smarter. Thomson-Delmar Learning.

Chicago Style aipamena

Siguaw, Judy A. Hospitality SalesSelling Smarter. Thomson-Delmar Learning, 2004.

MLA aipamena

Siguaw, Judy A. Hospitality SalesSelling Smarter. Thomson-Delmar Learning, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.