APA (7 वां संस्करण) प्रशस्ति पत्र
Bello, I. (2009). Basic college mathematics : a real-world approach: A real world approach (3rd ed.). McGraw Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Bello, Ignacio. Basic College Mathematics : A Real-world Approach: A Real World Approach. 3rd ed. 1221 Avenue of the Americas, NY: McGraw Hill, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Bello, Ignacio. Basic College Mathematics : A Real-world Approach: A Real World Approach. 3rd ed. McGraw Hill, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.