Santiago, G. (2011). Tracing the roots and reasons of the common errors of students in college algebra. Saint Louis University Research Journal.
Lua i Stíl Chicago (17ú heag.)Santiago, George. "Tracing the Roots and Reasons of the Common Errors of Students in College Algebra." Saint Louis University Research Journal 2011.
Lua MLA (9ú heag.)Santiago, George. "Tracing the Roots and Reasons of the Common Errors of Students in College Algebra." Saint Louis University Research Journal, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.