Álvarez Martínez, G., Villalobos Ulate, N., & Valenzuela Arce, N. (2009). The Challenge Approach: An Innovative Teaching and Learning Pathway.
Dyfyniad Arddull ChicagoÁlvarez Martínez, Gustavo, Nuria Villalobos Ulate, y Nandayure Valenzuela Arce. The Challenge Approach: An Innovative Teaching and Learning Pathway. 2009.
Dyfyniad MLAÁlvarez Martínez, Gustavo, Nuria Villalobos Ulate, y Nandayure Valenzuela Arce. The Challenge Approach: An Innovative Teaching and Learning Pathway. 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.