(1972). Man and his physical environment: Readings in environmental geology. Burgess.
Chicago-Zitierstil (17. Ausg.)Man and His Physical Environment: Readings in Environmental Geology. Minneapolis, Minn: Burgess, 1972.
MLA-Zitierstil (9. Ausg.)Man and His Physical Environment: Readings in Environmental Geology. Burgess, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.