Παραπομπή APA

(1983). Groundwater protection: : strategies and practices: proceedings of the seminar, Athens, Greece, 10-14 October 1983. Athens: Greek Ministry of Energy and Natural Resources.

Παραπομπή Chicago Style

Groundwater Protection: : Strategies and Practices: Proceedings of the Seminar, Athens, Greece, 10-14 October 1983. Athens: Greek Ministry of Energy and Natural Resources, 1983.

Παραπομπή MLA

Groundwater Protection: : Strategies and Practices: Proceedings of the Seminar, Athens, Greece, 10-14 October 1983. Athens: Greek Ministry of Energy and Natural Resources, 1983.

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