Gaya APA
Montgomery, Carla W.. (2003).
Environmental Geology Ninth Edition .
New York:
MCGRAW HILL.
Gaya Chicago
Montgomery, Carla W..
Environmental Geology Ninth Edition.
New York:
MCGRAW HILL,
2003.
Ilmu Murni.
Gaya MLA
Montgomery, Carla W..
Environmental Geology Ninth Edition.
New York:
MCGRAW HILL,
2003.
Ilmu Murni.
Gaya Turabian
Montgomery, Carla W..
Environmental Geology Ninth Edition.
New York:
MCGRAW HILL,
2003.
Ilmu Murni.