APA

Cohen J., . (2009). Statistical power analysis for the behavioral sciences. New York: Psychology Press.

Chicago

Cohen Jacob, . 2009. Statistical power analysis for the behavioral sciences. New York: Psychology Press.

Harvard

Cohen J., . (2009). Statistical power analysis for the behavioral sciences. New York: Psychology Press.

MLA

Cohen Jacob, . Statistical power analysis for the behavioral sciences. New York: Psychology Press. 2009.