Hopkins, K. D., Stanley, J. C., & Hopkins, B. R. (1990). Educational and psychological measurement and evaluation (7th ed.). Prentice Hall.
Citazione stile Chigago Style (17a edizione)Hopkins, Kenneth D., Julian C. Stanley, e B. R. Hopkins. Educational and Psychological Measurement and Evaluation. 7th ed. Englewood Cliffs, N.J: Prentice Hall, 1990.
Citatione MLA (9a ed.)Hopkins, Kenneth D., et al. Educational and Psychological Measurement and Evaluation. 7th ed. Prentice Hall, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.