APA Style
GARTSIDE, L.. (1981).
Model business letters (Third edition).
Great Britain:
Pitman publishing limited.
Chicago Style
GARTSIDE, L..
Model business letters.
Third edition
Great Britain:
Pitman publishing limited,
1981.
BUKU.
MLA Style
GARTSIDE, L..
Model business letters.
Third edition
Great Britain:
Pitman publishing limited,
1981.
BUKU.
Turabian Style
GARTSIDE, L..
Model business letters.
Third edition
Great Britain:
Pitman publishing limited,
1981.
BUKU.