Gaya APA
Poe, Roy W. (2006).
The Mc Graw Hill Handbook of Business Letters 4th ed .
Singapore:
McGraw Hill.
Gaya Chicago
Poe, Roy W.
The Mc Graw Hill Handbook of Business Letters 4th ed.
Singapore:
McGraw Hill,
2006.
Text.
Gaya MLA
Poe, Roy W.
The Mc Graw Hill Handbook of Business Letters 4th ed.
Singapore:
McGraw Hill,
2006.
Text.
Gaya Turabian
Poe, Roy W.
The Mc Graw Hill Handbook of Business Letters 4th ed.
Singapore:
McGraw Hill,
2006.
Print.