Cita APA (7th ed.)
Herzon, F. D., & Hopper, M. (1976). Introduction to statistics for the social sciences. Thomas Y. Crowell.
Cita Chicago (17th ed.)
Herzon, Frederick D., i Michael Hopper. Introduction to Statistics for the Social Sciences. New York: Thomas Y. Crowell, 1976.
Cita MLA (9th ed.)
Herzon, Frederick D., i Michael Hopper. Introduction to Statistics for the Social Sciences. Thomas Y. Crowell, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.