GÖKTÜRK, R. S. Et Al. 2012. Two new species of Cephalaria (Caprifoliaceae) from Turkey. TURKISH JOURNAL OF BOTANY , vol.36, no.4 , 311-321.

GÖKTÜRK, R. S., SÜMBÜL, H., Celebi, A., & AÇIK, L., (2012). Two new species of Cephalaria (Caprifoliaceae) from Turkey. TURKISH JOURNAL OF BOTANY , vol.36, no.4, 311-321.

GÖKTÜRK, RAMAZAN Et Al. "Two new species of Cephalaria (Caprifoliaceae) from Turkey," TURKISH JOURNAL OF BOTANY , vol.36, no.4, 311-321, 2012

GÖKTÜRK, RAMAZAN S. Et Al. "Two new species of Cephalaria (Caprifoliaceae) from Turkey." TURKISH JOURNAL OF BOTANY , vol.36, no.4, pp.311-321, 2012

GÖKTÜRK, R. S. Et Al. (2012) . "Two new species of Cephalaria (Caprifoliaceae) from Turkey." TURKISH JOURNAL OF BOTANY , vol.36, no.4, pp.311-321.

@article{article, author={RAMAZAN SÜLEYMAN GÖKTÜRK Et Al. }, title={Two new species of Cephalaria (Caprifoliaceae) from Turkey}, journal={TURKISH JOURNAL OF BOTANY}, year=2012, pages={311-321} }