Roth, W., & Radford, L. (2011). A cultural-historical perspective on mathematics teaching and learning. SensePublishers.
Lua i Stíl Chicago (17ú heag.)Roth, Wolff-Michael, agus Luis Radford. A Cultural-historical Perspective on Mathematics Teaching and Learning. Rotterdam, Boston: SensePublishers, 2011.
Lua MLA (9ú heag.)Roth, Wolff-Michael, agus Luis Radford. A Cultural-historical Perspective on Mathematics Teaching and Learning. SensePublishers, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.