Gaya APA
Revell, R., Stott, C. (1991).
Five star English : for the hotel and tourist industry (Ed. ke-1, Cet. ke-11).
New York:
PT.ELEX MEDIA KOMPUTINDO.
Gaya MLA
Revell, Rod., Stott, Chris.
"Five star English : for the hotel and tourist industry".
Ed. ke-1, Cet. ke-11
New York:
PT.ELEX MEDIA KOMPUTINDO,
1991.
Text.