Cita APA (7a ed.)

Vockell, E. L. (1983). Educational research. Macmillan.

Cita Chicago Style (17a ed.)

Vockell, Edward L. Educational Research. New York: Macmillan, 1983.

Cita MLA (9a ed.)

Vockell, Edward L. Educational Research. Macmillan, 1983.