Heyneman, S. P. (1978). Textbooks and achievement: What we know. World Bank.
Chicago Style (17th ed.) CitationHeyneman, Stephen P. Textbooks and Achievement: What We Know. Washington: World Bank, 1978.
MLA (9th ed.) CitationHeyneman, Stephen P. Textbooks and Achievement: What We Know. World Bank, 1978.
Warning: These citations may not always be 100% accurate.