(1987). Protecting the nations ground water from contamination. Scientific Publishers.
Chicago Stili AlıntıProtecting the Nations Ground Water from Contamination. Jodhpur: Scientific Publishers, 1987.
MLA AlıntıProtecting the Nations Ground Water from Contamination. Scientific Publishers, 1987.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..