APA Citatie

Gregory T, Schmutte, Sirosis, L., & Spinthall, R. C. (1991). Understanding educational research.

Chicago Style citaat

Gregory T, Schmutte, Lee Sirosis, en Richard C. Spinthall. Understanding Educational Research. New Jersey, Prentice Hall, 1991.

MLA citatie

Gregory T, et al. Understanding Educational Research. 1991.