McMillan, J. H., & Schumaker, S. (2001). Research in education: A conceptual introduction (5th ed.). Longman.
Cita Chicago (17th ed.)McMillan, James H., i Sally Schumaker. Research in Education: A Conceptual Introduction. 5th ed. New York: Longman, 2001.
Cita MLA (9th ed.)McMillan, James H., i Sally Schumaker. Research in Education: A Conceptual Introduction. 5th ed. Longman, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.