Mills, L. C., & Dean, P. M. (1960). Problem-solving methods in science teaching. Bureau of Publications.
Chicago Style aipamenaMills, Lester C., and Peter M. Dean. Problem-solving Methods in Science Teaching. New York: Bureau of Publications, 1960.
MLA aipamenaMills, Lester C., and Peter M. Dean. Problem-solving Methods in Science Teaching. Bureau of Publications, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.