Cita APA

Romero Vásquez, G. E., & Youman, K. (2014). Learning english as a second foreign language.

Citación estilo Chicago

Romero Vásquez, Gladis Eulalia, and Katherine Youman. Learning English As a Second Foreign Language. 2014.

Cita MLA

Romero Vásquez, Gladis Eulalia, and Katherine Youman. Learning English As a Second Foreign Language. 2014.

Precaución: Estas citas no son 100% exactas.