APA Style
Gartside, L. (1989).
Model Business Letters (1).
Jakarta:
Binarupa Aksara.
Chicago Style
Gartside, L.
Model Business Letters.
1
Jakarta:
Binarupa Aksara,
1989.
Text.
MLA Style
Gartside, L.
Model Business Letters.
1
Jakarta:
Binarupa Aksara,
1989.
Text.
Turabian Style
Gartside, L.
Model Business Letters.
1
Jakarta:
Binarupa Aksara,
1989.
Print.