Gaya APA
LESTER, J, D., RUUD, E.
(2012).
Writing research papers: A complete guide, 14th ed.
.
Boston:
Pearson.
Gaya MLA
LESTER, James, D.., RUUD, Even.
"Writing research papers: A complete guide, 14th ed.".
Boston:
Pearson,
2012.
Buku Teks.