Gaya APA
Revell, R., Stott, T. (1997).
Highly recommended : english for the hotel and catering industry (New edition (2nd edition)).
Oxford:
Oxford University Press.
Gaya MLA
Revell, Rod., Stott, Trish.
"Highly recommended : english for the hotel and catering industry".
New edition (2nd edition)
Oxford:
Oxford University Press,
1997.
BUKU.