Template:Türkoğlu, Akan & Civelek, 2003
- Türkoğlu, I., Akan, H. & Civelek, Ş. 2003. A new species of Centaurea (Asteraceae: sect. Psephelloideae) from Turkey. Botanical Journal of the Linnean Society 143(2): 207–212. DOI: 10.1046/j.1095-8339.2003.00205.x