Gaya APA
A Handbook Of Commercial Correspondence. (1984).
London:
Oxford University Press.
Gaya Chicago
A Handbook Of Commercial Correspondence.
.
London:
Oxford University Press,
1984.
Text.
Gaya MLA
A Handbook Of Commercial Correspondence.
.
London:
Oxford University Press,
1984.
Text.
Gaya Turabian
A Handbook Of Commercial Correspondence.
London:
Oxford University Press,
1984.
Print.