APA-ийн эшлэл(7 дахь хэвлэлт)

Echeverría Chávez, C. E. (2021). Cooperative learning strategies using virtual environments for developing english oral production.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Echeverría Chávez, Carmita Emperatriz. Cooperative Learning Strategies Using Virtual Environments for Developing English Oral Production. 2021.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Echeverría Chávez, Carmita Emperatriz. Cooperative Learning Strategies Using Virtual Environments for Developing English Oral Production. 2021.