Álvarez Martínez, G., Villalobos Ulate, N., & Valenzuela Arce, N. (2009). The Challenge Approach: An Innovative Teaching and Learning Pathway.
Chicago-стиль цитированияÁlvarez Martínez, Gustavo, Nuria Villalobos Ulate, y Nandayure Valenzuela Arce. The Challenge Approach: An Innovative Teaching and Learning Pathway. 2009.
MLA-цитированиеÁlvarez Martínez, Gustavo, Nuria Villalobos Ulate, y Nandayure Valenzuela Arce. The Challenge Approach: An Innovative Teaching and Learning Pathway. 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.