APA

Ushakov V. Y., Lavrinovich V. A., .Problems of an Increase in the Efficiency of Oil Production in Russia. : .

Chicago

Ushakov V Ya, Lavrinovich V A, .Problems of an Increase in the Efficiency of Oil Production in Russia. : .

Harvard

Ushakov V. Y., Lavrinovich V. A., .Problems of an Increase in the Efficiency of Oil Production in Russia. : .

MLA

Ushakov V Ya, Lavrinovich V A, .: . .