Penggayaan APA
Ashley. (1989).
Business english practice Book. I .
Jakarta:
Binarupa Aksara.
Chicago Style
Ashley.
Business english practice Book. I.
Jakarta:
Binarupa Aksara,
1989.
Text.
MLA Style
Ashley.
Business english practice Book. I.
Jakarta:
Binarupa Aksara,
1989.
Text.
Turabian Style
Ashley.
Business english practice Book. I.
Jakarta:
Binarupa Aksara,
1989.
Print.