APA-viite (7. p.)

Turizo Martínez, L. G., Carreño Colina, C. A., & Crissien Borrero, T. J. (2019). The Singapore Method: A reflection on the teaching-learning process of mathematics. Corporación Universitaria Americana.

Chicago-viite (17. p.)

Turizo Martínez, Luis Gabriel, Carlos Alejandro Carreño Colina, ja Tito José Crissien Borrero. The Singapore Method: A Reflection on the Teaching-learning Process of Mathematics. Corporación Universitaria Americana, 2019.

MLA-viite (8. p.)

Turizo Martínez, Luis Gabriel, et al. The Singapore Method: A Reflection on the Teaching-learning Process of Mathematics. Corporación Universitaria Americana, 2019.