Cita APA (7th ed.)

Ovchinnikov I. S. Irina Sergeevna, Nikonova E. D. Elena Demjyanovna, & Kobzeva N. A. Nadezhda Aleksandrovna. (2015). To the question of environmental engineering; Экология и защита окружающей среды. 2015.

Cita Chicago (17th ed.)

Ovchinnikov I. S. Irina Sergeevna, Nikonova E. D. Elena Demjyanovna, i Kobzeva N. A. Nadezhda Aleksandrovna. To the Question of Environmental Engineering; Экология и защита окружающей среды. 2015, 2015.

Cita MLA (9th ed.)

Ovchinnikov I. S. Irina Sergeevna, et al. To the Question of Environmental Engineering; Экология и защита окружающей среды. 2015, 2015.