Cita APA (7th ed.)
Guilford, J. P. (1965). Fundamental statistics in psychology and education (4th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Guilford, J. P. Fundamental Statistics in Psychology and Education. 4th ed. New York: McGraw-Hill, 1965.
Cita MLA (9th ed.)
Guilford, J. P. Fundamental Statistics in Psychology and Education. 4th ed. McGraw-Hill, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.