Não informado. (1953). Improving College and University Teaching. Heldref Publications.
Style de citation Chicago (17e éd.)Não informado. Improving College and University Teaching. Washington: Heldref Publications, 1953.
Style de citation MLA (8e éd.)Não informado. Improving College and University Teaching. Heldref Publications, 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.