Gaya APA

Hasdianah, ., Dalen, D, B, V. (1979). Understanding Educational Research An Introduction (Fourth Edition). New York: McGraw-HillBook Company.

Gaya MLA

Hasdianah, ., Dalen, Deoblold, B, Van. "Understanding Educational Research An Introduction". Fourth Edition New York: McGraw-HillBook Company, 1979. Text.