Gaya APA
Payne-Palacio, J., Theis, M. (2005).
Introduction to foodservice (10th ed.).
New Jersey:
Pearson Prentice hall.
Gaya MLA
Payne-Palacio, June., Theis, Monica.
"Introduction to foodservice".
10th ed.
New Jersey:
Pearson Prentice hall,
2005.
BUKU.