Kıncay, O. Et Al. 2009. Combining Trend of Renewable Energy Sources. Sigma Journal of Engineering and Natural Sciences , no.27 , 60-82.

Kıncay, O., Utlu, Z., Ağustos, H., Akbulut, U., & Açıkgöz, Ö., (2009). Combining Trend of Renewable Energy Sources. Sigma Journal of Engineering and Natural Sciences , no.27, 60-82.

Kıncay, Olcay Et Al. "Combining Trend of Renewable Energy Sources," Sigma Journal of Engineering and Natural Sciences , no.27, 60-82, 2009

Kıncay, Olcay Et Al. "Combining Trend of Renewable Energy Sources." Sigma Journal of Engineering and Natural Sciences , no.27, pp.60-82, 2009

Kıncay, O. Et Al. (2009) . "Combining Trend of Renewable Energy Sources." Sigma Journal of Engineering and Natural Sciences , no.27, pp.60-82.

@article{article, author={Olcay Kıncay Et Al. }, title={Combining Trend of Renewable Energy Sources}, journal={Sigma Journal of Engineering and Natural Sciences}, year=2009, pages={60-82} }