Gaya APA

Bausell, R, B., Li, Y. (2001). Power Analysis for Experimental Research : A Practical Guide for the Biological, Medical and Social Sciences . New York: Cambridge University Press.

Gaya MLA

Bausell, R., Barker., Li, Yu-Fang. "Power Analysis for Experimental Research : A Practical Guide for the Biological, Medical and Social Sciences". New York: Cambridge University Press, 2001. Text.