SAYGAÇ, A. T. 1984. The Sunspot Observations Made in 1984. University of Istanbul, Faculty of Science, Journal of Astronomy and Physics , vol.49 , 57-70.

SAYGAÇ, A. T., (1984). The Sunspot Observations Made in 1984. University of Istanbul, Faculty of Science, Journal of Astronomy and Physics , vol.49, 57-70.

SAYGAÇ, Ahmet. "The Sunspot Observations Made in 1984," University of Istanbul, Faculty of Science, Journal of Astronomy and Physics , vol.49, 57-70, 1984

SAYGAÇ, Ahmet T. . "The Sunspot Observations Made in 1984." University of Istanbul, Faculty of Science, Journal of Astronomy and Physics , vol.49, pp.57-70, 1984

SAYGAÇ, A. T. (1984) . "The Sunspot Observations Made in 1984." University of Istanbul, Faculty of Science, Journal of Astronomy and Physics , vol.49, pp.57-70.

@article{article, author={Ahmet Talat SAYGAÇ}, title={The Sunspot Observations Made in 1984}, journal={University of Istanbul, Faculty of Science, Journal of Astronomy and Physics}, year=1984, pages={57-70} }