YILDIRIM, E. And KOJIMA, J. 1999. Distributional checklist of the species of the family Vespidae Insecta Hymenoptera Aculeata of Turkey. Natural History Bulletin of Ibaraki University , vol.3 , 19-50.

YILDIRIM, E., & KOJIMA, J., (1999). Distributional checklist of the species of the family Vespidae Insecta Hymenoptera Aculeata of Turkey. Natural History Bulletin of Ibaraki University , vol.3, 19-50.

YILDIRIM, Erol, And JUNICHI KOJIMA. "Distributional checklist of the species of the family Vespidae Insecta Hymenoptera Aculeata of Turkey," Natural History Bulletin of Ibaraki University , vol.3, 19-50, 1999

YILDIRIM, Erol And KOJIMA, JUNICHI. "Distributional checklist of the species of the family Vespidae Insecta Hymenoptera Aculeata of Turkey." Natural History Bulletin of Ibaraki University , vol.3, pp.19-50, 1999

YILDIRIM, E. And KOJIMA, J. (1999) . "Distributional checklist of the species of the family Vespidae Insecta Hymenoptera Aculeata of Turkey." Natural History Bulletin of Ibaraki University , vol.3, pp.19-50.

@article{article, author={Erol YILDIRIM And author={JUNICHI KOJIMA}, title={Distributional checklist of the species of the family Vespidae Insecta Hymenoptera Aculeata of Turkey}, journal={Natural History Bulletin of Ibaraki University}, year=1999, pages={19-50} }