APA引文

Chavarría Arroyo, G., & Díaz Obando, E. (2013). A Reality of secondary students with special needs in mathematics.

Citación estilo Chicago

Chavarría Arroyo, Gilberto, y Evangelina Díaz Obando. A Reality of Secondary Students With Special Needs in Mathematics. 2013.

MLA引文

Chavarría Arroyo, Gilberto, y Evangelina Díaz Obando. A Reality of Secondary Students With Special Needs in Mathematics. 2013.

警告：这些引文格式不一定是100％准确.