Gaya APA

Fraenkel, J, R., Wallen, N, E. (2008). How To Design And Evaluate Research In Education (Seventh Edition). New York: McGraw-Hill.

Gaya MLA

Fraenkel, Jack, R.., Wallen, Norman, E.. "How To Design And Evaluate Research In Education". Seventh Edition New York: McGraw-Hill, 2008. Text.