APA-referens (7:e uppl.)
Bello, I. (2009). Basic college mathematics : a real-world approach: A real world approach (3rd ed.). McGraw Hill.
Chicago-referens (17:e uppl.)
Bello, Ignacio. Basic College Mathematics : A Real-world Approach: A Real World Approach. 3rd ed. 1221 Avenue of the Americas, NY: McGraw Hill, 2009.
MLA-referens (9:e uppl.)
Bello, Ignacio. Basic College Mathematics : A Real-world Approach: A Real World Approach. 3rd ed. McGraw Hill, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.