HULL, T. H. (2011). Realizing rigor in the mathematics classroom. Corwin.
Lua i Stíl Chicago (17ú heag.)HULL, Ted H. Realizing Rigor in the Mathematics Classroom. Corwin, 2011.
Lua MLA (9ú heag.)HULL, Ted H. Realizing Rigor in the Mathematics Classroom. Corwin, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.