(1987). Protecting the nations ground water from contamination. Scientific Publishers.
Chicago Edition CitationProtecting the Nations Ground Water from Contamination. Jodhpur: Scientific Publishers, 1987.
ציטוט MLAProtecting the Nations Ground Water from Contamination. Scientific Publishers, 1987.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.