Free, M. N., Ryan, J. M., & Hess, R. K. (1991). Handbook of statistical procedures and their computer applications to education and the behavioral sciences. American Council on Education.
Citación estilo ChicagoFree, Melvyn N., Joseph M. Ryan, and Robert K. Hess. Handbook of Statistical Procedures and Their Computer Applications to Education and the Behavioral Sciences. New York: American Council on Education, 1991.
Cita MLAFree, Melvyn N., et al. Handbook of Statistical Procedures and Their Computer Applications to Education and the Behavioral Sciences. American Council on Education, 1991.
Warning: These citations may not always be 100% accurate.