APA引文

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

Citación estilo Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.