Vargas Vásquez, J. M., Moya Chaves, M., & Garro Morales, C. (2016). The roles of the instructors in an ESP-task based language teaching course. Universidad de Costa Rica.
Čikaški stil citiranja (17. izdanje)Vargas Vásquez, José Miguel, Maciel Moya Chaves, i Carolina Garro Morales. The Roles of the Instructors in an ESP-task Based Language Teaching Course. Universidad de Costa Rica, 2016.
MLA način citiranja (9. izdanje)Vargas Vásquez, José Miguel, et al. The Roles of the Instructors in an ESP-task Based Language Teaching Course. Universidad de Costa Rica, 2016.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.