Esenoğlu, H. H. 2006. The Sunspot Observations Made in 2002. University of Istanbul, Faculty of Science, The Journal of Mathematics, Physics and Astronomy, New Series (https://dergipark.org.tr/tr/download/article-file/100264) , vol.2 , 1-41.

Esenoğlu, H. H., (2006). The Sunspot Observations Made in 2002. University of Istanbul, Faculty of Science, The Journal of Mathematics, Physics and Astronomy, New Series (https://dergipark.org.tr/tr/download/article-file/100264) , vol.2, 1-41.

Esenoğlu, Hasan. "The Sunspot Observations Made in 2002," University of Istanbul, Faculty of Science, The Journal of Mathematics, Physics and Astronomy, New Series (https://dergipark.org.tr/tr/download/article-file/100264) , vol.2, 1-41, 2006

Esenoğlu, Hasan H. . "The Sunspot Observations Made in 2002." University of Istanbul, Faculty of Science, The Journal of Mathematics, Physics and Astronomy, New Series (https://dergipark.org.tr/tr/download/article-file/100264) , vol.2, pp.1-41, 2006

Esenoğlu, H. H. (2006) . "The Sunspot Observations Made in 2002." University of Istanbul, Faculty of Science, The Journal of Mathematics, Physics and Astronomy, New Series (https://dergipark.org.tr/tr/download/article-file/100264) , vol.2, pp.1-41.

@article{article, author={Hasan Hüseyin ESENOĞLU}, title={The Sunspot Observations Made in 2002}, journal={University of Istanbul, Faculty of Science, The Journal of Mathematics, Physics and Astronomy, New Series (https://dergipark.org.tr/tr/download/article-file/100264)}, year=2006, pages={1-41} }