Cita APA (7th ed.)

Gay, L. (1987). Educational research: Competencies for analysis and application (3rd.ed.). Merrill.

Cita Chicago (17th ed.)

Gay, L.R. Educational Research: Competencies for Analysis and Application. 3rd.ed. Columbus: Merrill, 1987.

Cita MLA (9th ed.)

Gay, L.R. Educational Research: Competencies for Analysis and Application. 3rd.ed. Merrill, 1987.