Gay, L. . R. (1996). Educational research: Competencies for analysis and application (5th ed.). Merrill.
Cita Chicago (17th ed.)Gay, L R. Educational Research: Competencies for Analysis and Application. 5th ed. Upper Saddle River, N. J: Merrill, 1996.
Cita MLA (9th ed.)Gay, L R. Educational Research: Competencies for Analysis and Application. 5th ed. Merrill, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.