Heyneman, S. P. (1978). Textbooks and achievement: What we know. World Bank.
Style de citation Chicago (17e éd.)Heyneman, Stephen P. Textbooks and Achievement: What We Know. Washington: World Bank, 1978.
Style de citation MLA (9e éd.)Heyneman, Stephen P. Textbooks and Achievement: What We Know. World Bank, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.