Cita APA (7th ed.)

Gay, L. (1980). Educational evaluation & measurement: Competencies for analysis and application. Charles E.Merrill.

Cita Chicago (17th ed.)

Gay, L.R. Educational Evaluation & Measurement: Competencies for Analysis and Application. Columbus: Charles E.Merrill, 1980.

Cita MLA (9th ed.)

Gay, L.R. Educational Evaluation & Measurement: Competencies for Analysis and Application. Charles E.Merrill, 1980.