Gaya APA

Fraenkel, J, R. et al (2012). How to Design and Evaluate Research in Education 8'th Ed. (8). New York: McGraw-Hill Companies.

Gaya MLA

Fraenkel, Jack, R.. et al. "How to Design and Evaluate Research in Education 8'th Ed.". 8 New York: McGraw-Hill Companies, 2012. Text.