Gaya APA
Marshak, Stephen. (2004).
Essentials of geology : Stephen Marshak .
New York:
W. W. Norton \r Company.
Gaya Chicago
Marshak, Stephen.
Essentials of geology : Stephen Marshak.
New York:
W. W. Norton \r Company,
2004.
Buku.
Gaya MLA
Marshak, Stephen.
Essentials of geology : Stephen Marshak.
New York:
W. W. Norton \r Company,
2004.
Buku.
Gaya Turabian
Marshak, Stephen.
Essentials of geology : Stephen Marshak.
New York:
W. W. Norton \r Company,
2004.
Buku.