Yildirim, M. And Topkaya, B. 2007. Groundwater protection: A comparative study of four vulnerability mapping methods. CLEAN-SOIL AIR WATER , vol.35, no.6 , 594-600.

Yildirim, M., & Topkaya, B., (2007). Groundwater protection: A comparative study of four vulnerability mapping methods. CLEAN-SOIL AIR WATER , vol.35, no.6, 594-600.

Yildirim, MUSTAFA, And Buelent Topkaya. "Groundwater protection: A comparative study of four vulnerability mapping methods," CLEAN-SOIL AIR WATER , vol.35, no.6, 594-600, 2007

Yildirim, MUSTAFA And Topkaya, Buelent. "Groundwater protection: A comparative study of four vulnerability mapping methods." CLEAN-SOIL AIR WATER , vol.35, no.6, pp.594-600, 2007

Yildirim, M. And Topkaya, B. (2007) . "Groundwater protection: A comparative study of four vulnerability mapping methods." CLEAN-SOIL AIR WATER , vol.35, no.6, pp.594-600.

@article{article, author={MUSTAFA YILDIRIM And author={Buelent Topkaya}, title={Groundwater protection: A comparative study of four vulnerability mapping methods}, journal={CLEAN-SOIL AIR WATER}, year=2007, pages={594-600} }