Scheffler, I., & Siegel, H. (1997). Reason and education: Essays in honor of Israel Scheffler. Kluwer Academic Pub.
Lua i Stíl Chicago (17ú heag.)Scheffler, Israel, agus Harvey Siegel. Reason and Education: Essays in Honor of Israel Scheffler. Dordrecht [Netherlands]: Kluwer Academic Pub, 1997.
Lua MLA (9ú heag.)Scheffler, Israel, agus Harvey Siegel. Reason and Education: Essays in Honor of Israel Scheffler. Kluwer Academic Pub, 1997.
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