APA Цитирование

Gamarra Astuhuaman, G., & Pujay Cristóbal, O. E. (2020). Problem Solving, Skills and Academic Performance when Teaching Mathematics.

Chicago-стиль цитирования

Gamarra Astuhuaman, Guillermo, y Oscar Eugenio Pujay Cristóbal. Problem Solving, Skills and Academic Performance When Teaching Mathematics. 2020.

MLA-цитирование

Gamarra Astuhuaman, Guillermo, y Oscar Eugenio Pujay Cristóbal. Problem Solving, Skills and Academic Performance When Teaching Mathematics. 2020.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.