Gaya APA
Morris, K, L. et al (2008).
Hotel, restaurant, and travel law : a preventive approach (7th ed.).
New York:
Delmar Learning.
Gaya MLA
Morris, Karen, L.. et al.
"Hotel, restaurant, and travel law : a preventive approach".
7th ed.
New York:
Delmar Learning,
2008.
BUKU.