Flores, R. M., & Moore, T. A. (2023). Coal and coalbed gas: Future directions and opportunities (Second edition.). Elsevier.
Čikaški stil citiranja (17. izdanje)Flores, Romeo M., i T. A. Moore. Coal and Coalbed Gas: Future Directions and Opportunities. Second edition. Amsterdam: Elsevier, 2023.
MLA način citiranja (9. izdanje)Flores, Romeo M., i T. A. Moore. Coal and Coalbed Gas: Future Directions and Opportunities. Second edition. Elsevier, 2023.
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