APA-viite

Castillo-Sánchez, M., Gamboa-Araya, R., & Hidalgo-Mora, R. (2020). Factors that influence student dropout and failing grades in a university mathematics course.

Chicago-tyylinen lähdeviittaus

Castillo-Sánchez, Mario, Ronny Gamboa-Araya, ja Randall Hidalgo-Mora. Factors That Influence Student Dropout and Failing Grades in a University Mathematics Course. 2020.

MLA-viite

Castillo-Sánchez, Mario, Ronny Gamboa-Araya, ja Randall Hidalgo-Mora. Factors That Influence Student Dropout and Failing Grades in a University Mathematics Course. 2020.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.