Gaya APA
Markman, R, H., Markman, P, T. (1982).
10 Steps in Writing the Research paper (3rd.Ed).
New York City:
Barron\'s Educational.
Gaya MLA
Markman, Roberta, H.., Markman, Peter, T..
"10 Steps in Writing the Research paper".
3rd.Ed
New York City:
Barron\'s Educational,
1982.
Text.