Παραπομπή σε μορφή APA (7η εκδ.)

Oskay, R. G., & Χρηστάνης, Κ. (2016). Genesis, evolution and economic significance of the northern and the eastern parts of Karapınar-Ayrancı coal deposit.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Oskay, Rıza Görkem, και Κίμων Χρηστάνης. Genesis, Evolution and Economic Significance of the Northern and the Eastern Parts of Karapınar-Ayrancı Coal Deposit. 2016.

Παραπομπή σε μορφή MLA (8th εκδ.)

Oskay, Rıza Görkem, και Κίμων Χρηστάνης. Genesis, Evolution and Economic Significance of the Northern and the Eastern Parts of Karapınar-Ayrancı Coal Deposit. 2016.