APA

Pivrik A. K., Suntsova E. N., .Songs in learning a foreign language: pros and cons. : .

Chicago

Pivrik A K, Suntsova E N, .Songs in learning a foreign language: pros and cons. : .

Harvard

Pivrik A. K., Suntsova E. N., .Songs in learning a foreign language: pros and cons. : .

MLA

Pivrik A K, Suntsova E N, .: . .