APA (7th ed.) Citation

Havkalova, N. L., & Shumska, H. M. (2011). Energy Supply and Energy Efficiency: Problems and the Ways of Solution.

Chicago Style (17th ed.) Citation

Havkalova, N. L., and H. M. Shumska. Energy Supply and Energy Efficiency: Problems and the Ways of Solution. 2011.

MLA (8th ed.) Citation

Havkalova, N. L., and H. M. Shumska. Energy Supply and Energy Efficiency: Problems and the Ways of Solution. 2011.

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