APA (7th ed.) Citation

Wang, Z., & Fan, Z. Green sustainability assessment and efficiency improvement study of international oil and gas companies: Based on data envelopment analysis. Elsevier.

Chicago Style (17th ed.) Citation

Wang, Zuoqian, and Zhe Fan. Green Sustainability Assessment and Efficiency Improvement Study of International Oil and Gas Companies: Based on Data Envelopment Analysis. Elsevier.

MLA (9th ed.) Citation

Wang, Zuoqian, and Zhe Fan. Green Sustainability Assessment and Efficiency Improvement Study of International Oil and Gas Companies: Based on Data Envelopment Analysis. Elsevier.

Warning: These citations may not always be 100% accurate.