Gaya APA
James, L, D. (1993).
WRITING RESEARCH PAPERS: A Complete Guide (Edisi 7 Cetakan 1).
New York:
Harper Collins College Publishers.
Gaya MLA
James, Lester, D.,.
"WRITING RESEARCH PAPERS: A Complete Guide".
Edisi 7 Cetakan 1
New York:
Harper Collins College Publishers,
1993.
Text.