APA ציטוט

Heyneman, S. P. (1978). Textbooks and achievement: What we know. World Bank.

Chicago Style (17th ed.) Citation

Heyneman, Stephen P. Textbooks and Achievement: What We Know. Washington: World Bank, 1978.

ציטוט MLA

Heyneman, Stephen P. Textbooks and Achievement: What We Know. World Bank, 1978.