Παραπομπή σε μορφή APA (7η εκδ.)

Vargas Vega, B., & Velásquez Upegui, E. P. (2019). Acquisition of Nouns Derived from a Verb of English as L2. Universidad Pedagógica y Tecnológica de Colombia.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Vargas Vega, Brenda, και Eva Patricia Velásquez Upegui. Acquisition of Nouns Derived from a Verb of English as L2. Universidad Pedagógica y Tecnológica de Colombia, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Vargas Vega, Brenda, και Eva Patricia Velásquez Upegui. Acquisition of Nouns Derived from a Verb of English as L2. Universidad Pedagógica y Tecnológica de Colombia, 2019.