Wells, H. (1940). The Teaching of nature study and the biological sciences. The Christopher Publishing House.
Style de citation Chicago (17e éd.)Wells, Harrington. The Teaching of Nature Study and the Biological Sciences. Boston: The Christopher Publishing House, 1940.
Style de citation MLA (9e éd.)Wells, Harrington. The Teaching of Nature Study and the Biological Sciences. The Christopher Publishing House, 1940.
Attention : ces citations peuvent ne pas être correctes à 100%.