Cita APA

Gay, L. R., & Airasian, P. W. (2000). Educational research: Competencies for analysis and application (6th ed.). Merrill.

Citación estilo Chicago

Gay, L. R., and Peter W. Airasian. Educational Research: Competencies for Analysis and Application. 6th ed. Upper Saddle River, N.J: Merrill, 2000.

Cita MLA

Gay, L. R., and Peter W. Airasian. Educational Research: Competencies for Analysis and Application. 6th ed. Merrill, 2000.