Gaya APA

Wiersma, W., Jur, S, G. (2009). Research Methods in Education : An Introduction / William Wiersma (ed. 9). New York: Pearson.

Gaya MLA

Wiersma, William., Jur, Stephen, G.. "Research Methods in Education : An Introduction / William Wiersma". ed. 9 New York: Pearson, 2009. Buku.