APA aipamena

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

Chicago Style aipamena

Vockell, Edward L., and J. William Asher. Educational Research. 2nd ed. Englewood Cliffs, N J: Prentice-Hall, 1995.

MLA aipamena

Vockell, Edward L., and J. William Asher. Educational Research. 2nd ed. Prentice-Hall, 1995.