Gaya APA
Bull, W, B., Poland, J, F. (1975).
Land Subsidence Due to Ground-Water Withdrawal In The Los Banos-Kettleman City Area, California .
Bandung:
Direktorat Sumber Daya Mineral.
Gaya MLA
Bull, William, B.., Poland, Joseph, F..
"Land Subsidence Due to Ground-Water Withdrawal In The Los Banos-Kettleman City Area, California".
Bandung:
Direktorat Sumber Daya Mineral,
1975.
Umum.