APA

Kapul A. A., Zubova E. I., Torgaev S. N. & Drobchik V. V.Pure-tone audiometer. : .

Chicago

Kapul A A, Zubova E I, Torgaev S N and Drobchik V V.Pure-tone audiometer. : .

Harvard

Kapul A. A., Zubova E. I., Torgaev S. N. and Drobchik V. V.Pure-tone audiometer. : .

MLA

Kapul A A, Zubova E I, Torgaev S N and Drobchik V V.: . .