Ornstein, A. C., & Levine, D. U. (2007). Foundations of education (10th ed.). s.n.
Chicago Style aipamenaOrnstein, Allan C., and Daniel U. Levine. Foundations of Education. 10th ed. [S.l: s.n, 2007.
MLA aipamenaOrnstein, Allan C., and Daniel U. Levine. Foundations of Education. 10th ed. s.n, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.