Gaya APA

Witkowski, A, J. (2007). Groundwater Vulnerability Assessment and Mapping; Selected papers from the Groundwater Vulnerability Assessment and Mapping International Conference, Ustron´ , Poland, 2004 . London: Taylor & Francis.

Gaya MLA

Witkowski, Andrzej, J.. "Groundwater Vulnerability Assessment and Mapping; Selected papers from the Groundwater Vulnerability Assessment and Mapping International Conference, Ustron´ , Poland, 2004". London: Taylor & Francis, 2007. Text.