APA-referens (7:e uppl.)

Ramos Holguín, B., Aguirre Morales, J., & Torres Cepeda, . N. M. (2021). Enhancing Efl Speaking in Rural Settings: Challenges and Opportunities for Material Developers. Editorial UPTC.

Chicago-referens (17:e uppl.)

Ramos Holguín, Bertha, Jahir Aguirre Morales, och Nancy María Torres Cepeda. Enhancing Efl Speaking in Rural Settings: Challenges and Opportunities for Material Developers. Colombia: Editorial UPTC, 2021.

MLA-referens (9:e uppl.)

Ramos Holguín, Bertha, et al. Enhancing Efl Speaking in Rural Settings: Challenges and Opportunities for Material Developers. Editorial UPTC, 2021.