Cita APA (7th ed.)

Cronbach, L. J. (1990). Essentials of psychological testing (5th.ed.). Harper Collins.

Cita Chicago (17th ed.)

Cronbach, Lee J. Essentials of Psychological Testing. 5th.ed. New York: Harper Collins, 1990.

Cita MLA (9th ed.)

Cronbach, Lee J. Essentials of Psychological Testing. 5th.ed. Harper Collins, 1990.