APA

Biryuk D. V., .Managerial Skills Development: Management Fighting Courses as an Efficient Training Tool. : .

Chicago

Biryuk D V, .Managerial Skills Development: Management Fighting Courses as an Efficient Training Tool. : .

Harvard

Biryuk D. V., .Managerial Skills Development: Management Fighting Courses as an Efficient Training Tool. : .

MLA

Biryuk D V, .: . .