Hopkins, K. D. (1983). Educational and psychological measurement and evaluation (6th ed.). National Book Store.
Citazione stile Chigago Style (17a edizione)Hopkins, Kenneth D. Educational and Psychological Measurement and Evaluation. 6th ed. Manila: National Book Store, 1983.
Citatione MLA (9a ed.)Hopkins, Kenneth D. Educational and Psychological Measurement and Evaluation. 6th ed. National Book Store, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.