Citação norma APA

Chavarría Arroyo, G. (2014). Difficulties faced by eighth grade students in the learning of linear equation problems at a high school in Heredia.

Citação norma Chicago

Chavarría Arroyo, Gilberto. Difficulties Faced By Eighth Grade Students in the Learning of Linear Equation Problems At a High School in Heredia. 2014.

Citação norma MLA

Chavarría Arroyo, Gilberto. Difficulties Faced By Eighth Grade Students in the Learning of Linear Equation Problems At a High School in Heredia. 2014.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.