APA-Zitierstil (7. Ausg.)

Kozii, Y. S., & Ishkov, V. V. (2017). Coal classification of main working seams of Pavlohrad-Petropavlivka geological and industrial district on content of toxic and potentially toxic elements.

Chicago-Zitierstil (17. Ausg.)

Kozii, Ye. S., und V. V. Ishkov. Coal Classification of Main Working Seams of Pavlohrad-Petropavlivka Geological and Industrial District on Content of Toxic and Potentially Toxic Elements. 2017.

MLA-Zitierstil (8. Ausg.)

Kozii, Ye. S., und V. V. Ishkov. Coal Classification of Main Working Seams of Pavlohrad-Petropavlivka Geological and Industrial District on Content of Toxic and Potentially Toxic Elements. 2017.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.