Cita APA

Vockell, E. L., & Asher, J. W. (1995). Educational research (2nd ed.). Merrill.

Citación estilo Chicago

Vockell, Edward L., and J. William Asher. Educational Research. 2nd ed. Englewood Cliffs, New Jersey: Merrill, 1995.

Cita MLA

Vockell, Edward L., and J. William Asher. Educational Research. 2nd ed. Merrill, 1995.