Gaya APA
Horner, S., Swarbrooke, J. (1996).
Marketing tourism, hospitality and leisure in europe (1st ed.).
London:
International Thomson Business Press.
Gaya MLA
Horner, Susan., Swarbrooke, John.
"Marketing tourism, hospitality and leisure in europe".
1st ed.
London:
International Thomson Business Press,
1996.
BUKU.