Cita APA (7th ed.)

TRAVERS, R. M. (1969). An introduction to educational research.-- ed.3. The MacMillan Company.

Cita Chicago (17th ed.)

TRAVERS, Robert M.W. An Introduction to Educational Research.-- Ed.3. New York: The MacMillan Company, 1969.

Cita MLA (9th ed.)

TRAVERS, Robert M.W. An Introduction to Educational Research.-- Ed.3. The MacMillan Company, 1969.