Penggayaan APA
DUBICKA, Iwonna, O'KEEFFE, Margaret. (2003).
English for international tourism : .
England:
Longman.
Chicago Style
DUBICKA, Iwonna, O'KEEFFE, Margaret.
English for international tourism :.
England:
Longman,
2003.
Buku.
MLA Style
DUBICKA, Iwonna, O'KEEFFE, Margaret.
English for international tourism :.
England:
Longman,
2003.
Buku.
Turabian Style
DUBICKA, Iwonna, O'KEEFFE, Margaret.
English for international tourism :.
England:
Longman,
2003.
Buku.