Lundgren, L. W. (1999). Environmental geology (2nd ed.). Prentice-Hall of India.
Chicago Edition CitationLundgren, Lawrence W. Environmental Geology. 2nd ed. New Jersey: Prentice-Hall of India, 1999.
ציטוט MLALundgren, Lawrence W. Environmental Geology. 2nd ed. Prentice-Hall of India, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.