Penggayaan APA
Gartside. (1983).
Modern business correspondence (3).
London:
The English Language Book.
Chicago Style
Gartside.
Modern business correspondence.
3
London:
The English Language Book,
1983.
Text.
MLA Style
Gartside.
Modern business correspondence.
3
London:
The English Language Book,
1983.
Text.
Turabian Style
Gartside.
Modern business correspondence.
3
London:
The English Language Book,
1983.
Print.