APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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