Gaya APA

Keppel, G. et al (1992). Introduction to Design & Analysis : A Student's Handbook (Edisi 2). New York: W.H. Freeman Company.

Gaya MLA

Keppel, Geoffrey. et al. "Introduction to Design & Analysis : A Student's Handbook". Edisi 2 New York: W.H. Freeman Company, 1992. Text.