APA

Fyodorov K. V., Pokushalova L. V., .How to practice a foreign language using chat. : .

Chicago

Fyodorov K V, Pokushalova L V, .How to practice a foreign language using chat. : .

Harvard

Fyodorov K. V., Pokushalova L. V., .How to practice a foreign language using chat. : .

MLA

Fyodorov K V, Pokushalova L V, .: . .