Oralhan, I. Et Al. 2015. CCD UBV(RI)(C) photometry of twenty open clusters. NEW ASTRONOMY , vol.34 , 195-210.

Oralhan, I., Karatas, Y., Schuster, W. J. , Michel, R., & Chavarria, C., (2015). CCD UBV(RI)(C) photometry of twenty open clusters. NEW ASTRONOMY , vol.34, 195-210.

Oralhan, İNCİ Et Al. "CCD UBV(RI)(C) photometry of twenty open clusters," NEW ASTRONOMY , vol.34, 195-210, 2015

Oralhan, İNCİ A. Et Al. "CCD UBV(RI)(C) photometry of twenty open clusters." NEW ASTRONOMY , vol.34, pp.195-210, 2015

Oralhan, I. Et Al. (2015) . "CCD UBV(RI)(C) photometry of twenty open clusters." NEW ASTRONOMY , vol.34, pp.195-210.

@article{article, author={İNCİ AKKAYA ORALHAN Et Al. }, title={CCD UBV(RI)(C) photometry of twenty open clusters}, journal={NEW ASTRONOMY}, year=2015, pages={195-210} }