Ornstein, A. C. (1990). Strategies for effective teaching. Harper & Row.
Chicago Style aipamenaOrnstein, Allan C. Strategies for Effective Teaching. New York: Harper & Row, 1990.
MLA aipamenaOrnstein, Allan C. Strategies for Effective Teaching. Harper & Row, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.