Bullough, R. V., & Beatty, L. F. (1991). Classroom applications of microcomputers (2nd ed.). Macmillan.
Chicago Style aipamenaBullough, Robert V., and LaMond F. Beatty. Classroom Applications of Microcomputers. 2nd ed. New York: Macmillan, 1991.
MLA aipamenaBullough, Robert V., and LaMond F. Beatty. Classroom Applications of Microcomputers. 2nd ed. Macmillan, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.