APA način citiranja

Vega-Carrero, S., Pulido, M., & Ruiz-Gallego, N. E. (2017). Teaching English as a Second Language at a University in Colombia That Uses Virtual Environments: A Case Study.

Čikaški stil citiranja

Vega-Carrero, Sandra, Manuel Pulido, i Nancy Esther Ruiz-Gallego. Teaching English As a Second Language At a University in Colombia That Uses Virtual Environments: A Case Study. 2017.

MLA način citiranja

Vega-Carrero, Sandra, Manuel Pulido, i Nancy Esther Ruiz-Gallego. Teaching English As a Second Language At a University in Colombia That Uses Virtual Environments: A Case Study. 2017.