Özgener, L. Et Al. Geothermal Energy Resources. 2007. In Encyclopedia of Energy Engineering, , Taylor & Francis Ltd, London, 744-752.

Özgener, L., Hepbaşlı, A., & Dinçer, İ., (2007). Geothermal Energy Resources. Encyclopedia of Energy Engineering, (pp.744-752), London: Taylor & Francis Ltd.

Özgener, LEYLA, Arif Hepbaşlı, And İbrahim Dinçer. "Geothermal Energy Resources." In Encyclopedia of Energy Engineering, , 744-752. London: Taylor & Francis Ltd, 2007

Özgener, LEYLA Et Al. "Geothermal Energy Resources." Encyclopedia of Energy Engineering, , Taylor & Francis Ltd, 2007, pp.744-752.

Özgener, L. Hepbaşlı, A. And Dinçer, İ. (2007) "Geothermal Energy Resources", Encyclopedia of Energy Engineering, . London: Taylor & Francis Ltd.

@bookchapter{bookchapter, author ={LEYLA ÖZGENER Et Al. }, chaptertitle={Geothermal Energy Resources}, booktitle={ Encyclopedia of Energy Engineering, }, publisher={Taylor & Francis Ltd}, city={London},year={2007} }