Gaya APA

Fraenkel, J, R. et al (2011). How To Design And Evaluate Research In Education (Ed. 8). The United States: McGraw-Hil Book Company.

Gaya MLA

Fraenkel, Jack, R.. et al. "How To Design And Evaluate Research In Education". Ed. 8 The United States: McGraw-Hil Book Company, 2011. Text.