Ferguson, G. A., & Takane, Y. (1989). Statistical analysis in psychology & education (6th ed.). McGraw-Hill JMC Press.
Cita Chicago (17th ed.)Ferguson, George Andrew, i Yoshio Takane. Statistical Analysis in Psychology & Education. 6th ed. New York, Quezon City: McGraw-Hill JMC Press, 1989.
Cita MLA (9th ed.)Ferguson, George Andrew, i Yoshio Takane. Statistical Analysis in Psychology & Education. 6th ed. McGraw-Hill JMC Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.