Gaya APA
Lester, James D. (2007).
Writing Research Papers: A Complete Guide (Ed.12).
USA:
Pearson.
Gaya Chicago
Lester, James D.
Writing Research Papers: A Complete Guide.
Ed.12
USA:
Pearson,
2007.
Text.
Gaya MLA
Lester, James D.
Writing Research Papers: A Complete Guide.
Ed.12
USA:
Pearson,
2007.
Text.
Gaya Turabian
Lester, James D.
Writing Research Papers: A Complete Guide.
Ed.12
USA:
Pearson,
2007.
Print.