Gaya APA

Berg, K, E., W., I, L, R. (2008). Essentials of research methods in health, physical education, exercise science, and recreation . New York: New York: Wolters Kluwer, 2008.

Gaya MLA

Berg, Kris, E.., W., I., Latin,, Richard. "Essentials of research methods in health, physical education, exercise science, and recreation". New York: New York: Wolters Kluwer, 2008, 2008. .