Cita APA (7th ed.)
Guilford, J., & Fruchter, B. (1973). Fundamental statistics in psychology and education.
Cita Chicago (17th ed.)
Guilford, J.P, i Benjamín Fruchter. Fundamental Statistics in Psychology and Education. 1973.
Cita MLA (9th ed.)
Guilford, J.P, i Benjamín Fruchter. Fundamental Statistics in Psychology and Education. 1973.
Atenció: Aquestes cites poden no estar 100% correctes.