Gaya APA
Dahmer, S, J., Kahl, K, W. (1996).
The waiter and waitress training manual (4th edition).
New York:
Van Nostrand Reinhold.
Gaya MLA
Dahmer, Sandra, J.., Kahl, Kurt, W..
"The waiter and waitress training manual".
4th edition
New York:
Van Nostrand Reinhold,
1996.
BUKU.