Blough, G. O., & Schwartz, J. (1964). Elementary school science and how to teach it (3rd ed.). Holt Rinehart and Winston.
Citación estilo ChicagoBlough, Glenn Orlando, and Julius Schwartz. Elementary School Science and How to Teach It. 3rd ed. New York: Holt Rinehart and Winston, 1964.
Cita MLABlough, Glenn Orlando, and Julius Schwartz. Elementary School Science and How to Teach It. 3rd ed. Holt Rinehart and Winston, 1964.
Warning: These citations may not always be 100% accurate.