Gaya APA

Dahmer, S, J., Kahl, K, W. (2009). RESTAURANT SERVICE basics (Second Edition). United States of America: John Wiley & Sons,Inc..

Gaya MLA

Dahmer, Sondra, J.., Kahl, Kurt, W.. "RESTAURANT SERVICE basics". Second Edition United States of America: John Wiley & Sons,Inc., 2009. eBook.