(1987). Protecting the nations ground water from contamination. Scientific Publishers.
Čikaški stil citiranjaProtecting the Nations Ground Water from Contamination. Jodhpur: Scientific Publishers, 1987.
MLA način citiranjaProtecting the Nations Ground Water from Contamination. Scientific Publishers, 1987.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.