APA (7 वां संस्करण) प्रशस्ति पत्र
Fendel, D. M. (1987). Understanding the structure of elementary school mathematics. Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Fendel, Daniel M. Understanding the Structure of Elementary School Mathematics. Boston: Allyn and Bacon, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Fendel, Daniel M. Understanding the Structure of Elementary School Mathematics. Allyn and Bacon, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.