APA Style
Plummer, C, C., MS, D, A, I.
(2008).
Physical Geology
(
12)
.
New York:
New York: McGraw-Hill.
MLA Style
Plummer, Charles, C.., MS, Dr., Agustin, Idayanti,.
"Physical Geology".
12
New York:
New York: McGraw-Hill,
2008.
Universitas.