Gay, L. (1980). Educational evaluation & measurement: Competencies for analysis and application. Charles E.Merrill.
Citazione stile Chigago Style (17a edizione)Gay, L.R. Educational Evaluation & Measurement: Competencies for Analysis and Application. Columbus: Charles E.Merrill, 1980.
Citatione MLA (9a ed.)Gay, L.R. Educational Evaluation & Measurement: Competencies for Analysis and Application. Charles E.Merrill, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.