Villegas, J. L., Castro, E., & Gutiérrez, J. (2012). Representations in problem solving: A case study with optimization problems. Universidad de Almería.
Chicago-referens (17:e uppl.)Villegas, José L., Enrique Castro, och José Gutiérrez. Representations in Problem Solving: A Case Study with Optimization Problems. Universidad de Almería, 2012.
MLA-referens (8:e uppl.)Villegas, José L., et al. Representations in Problem Solving: A Case Study with Optimization Problems. Universidad de Almería, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.