APA Style

Grabala, A, J, W, S, J, J, C, D. (). Groundwater vulnerability and pollution risk assessment . : .

MLA Style

Grabala, Andrzej, J., Witkowski,, Sabina, Jakóbczyk-Karpierz,, Joanna, Czekaj,, Dorota. "Groundwater vulnerability and pollution risk assessment". : , . Text.