Unesco. (1979). New UNESCO sourcebook for science teaching (1st.). Universities Press.
Chicago Edition CitationUnesco. New UNESCO Sourcebook for Science Teaching. 1st. Hyderabad: Universities Press, 1979.
Cita MLAUnesco. New UNESCO Sourcebook for Science Teaching. 1st. Universities Press, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.