Gaya APA
Jennings, G., Nickerson, N, P. (2006).
Quality tourism experiences .
Amsterdam:
Elsevier Butterworth Heinemann.
Gaya MLA
Jennings, Gayle., Nickerson, Norma, Polovitz.
"Quality tourism experiences".
Amsterdam:
Elsevier Butterworth Heinemann,
2006.
BUKU.