Turney, B. L., & Robb, G. P. (1971). Research in education: An introduction. Dryden Press.
Cita Chicago (17th ed.)Turney, Billy Lawrence, i George P. Robb. Research in Education: An Introduction. Hinsdale, Ill.: Dryden Press, 1971.
Cita MLA (8th ed.)Turney, Billy Lawrence, i George P. Robb. Research in Education: An Introduction. Dryden Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.