Cita APA (7th ed.)

EDWARDS, A. L. (1967). Statistical methods. Holt.

Cita Chicago (17th ed.)

EDWARDS, Allen L. Statistical Methods. New York: Holt, 1967.

Cita MLA (9th ed.)

EDWARDS, Allen L. Statistical Methods. Holt, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.