APA način citiranja

Vargas Vásquez, J. M., & Zúñiga Coudin, R. (2018). Indirectness Features in Argumentative Essays of Costa Rican EFL University Students.

Čikaški stil citiranja

Vargas Vásquez, José Miguel, i Randolph Zúñiga Coudin. Indirectness Features in Argumentative Essays of Costa Rican EFL University Students. 2018.

MLA način citiranja

Vargas Vásquez, José Miguel, i Randolph Zúñiga Coudin. Indirectness Features in Argumentative Essays of Costa Rican EFL University Students. 2018.