Aya Christelle Desiree Kouadio & Dukart S. A. Sergey Aleksandrovich. (2018). Development of oil and gaz industry in the world. 2018.
Čikaški stil citiranja (17. izdanje)Aya Christelle Desiree Kouadio i Dukart S. A. Sergey Aleksandrovich. Development of Oil and Gaz Industry in the World. 2018, 2018.
MLA način citiranja (9. izdanje)Aya Christelle Desiree Kouadio i Dukart S. A. Sergey Aleksandrovich. Development of Oil and Gaz Industry in the World. 2018, 2018.
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