Gaya APA
The Complete Letter Writer. ().
New York:
McGraw Hill Book Company.
Gaya Chicago
The Complete Letter Writer.
.
New York:
McGraw Hill Book Company,
.
Text.
Gaya MLA
The Complete Letter Writer.
.
New York:
McGraw Hill Book Company,
.
Text.
Gaya Turabian
The Complete Letter Writer.
New York:
McGraw Hill Book Company,
.
Print.