Piltz, A., Sund, R. B., & Torrance, E. P. (1970). Creative teaching of science in the elementary school. Allyn and Bacon.
Cita Chicago Style (17a ed.)Piltz, Albert, Robert B. Sund, y E. Paul Torrance. Creative Teaching of Science in the Elementary School. Boston: Allyn and Bacon, 1970.
Cita MLA (9a ed.)Piltz, Albert, et al. Creative Teaching of Science in the Elementary School. Allyn and Bacon, 1970.
Precaución: Estas citas no son 100% exactas.