Gaya APA
Walker, Melissa. (1987).
Writing Research Papers : A Norton Guide .
New York:
W.W.Norton & Company.
Gaya Chicago
Walker, Melissa.
Writing Research Papers : A Norton Guide.
New York:
W.W.Norton & Company,
1987.
Text.
Gaya MLA
Walker, Melissa.
Writing Research Papers : A Norton Guide.
New York:
W.W.Norton & Company,
1987.
Text.
Gaya Turabian
Walker, Melissa.
Writing Research Papers : A Norton Guide.
New York:
W.W.Norton & Company,
1987.
Print.