APA

Portola V. A., Torosyan E. S. & Kuznetsova A. S.Indirect Negative Influence of Coal Mine Motor Vehicles on the Environment. : .

Chicago

Portola V A, Torosyan E S and Kuznetsova A S.Indirect Negative Influence of Coal Mine Motor Vehicles on the Environment. : .

Harvard

Portola V. A., Torosyan E. S. and Kuznetsova A. S.Indirect Negative Influence of Coal Mine Motor Vehicles on the Environment. : .

MLA

Portola V A, Torosyan E S and Kuznetsova A S.: . .