Gaya APA
Emmons, William H.. (1960).
Geology: principles and processes/Emmons, William H. (5 ed.).
:
New York : McGraw-Hill.
Gaya Chicago
Emmons, William H..
Geology: principles and processes/Emmons, William H..
5 ed.
:
New York : McGraw-Hill,
1960.
Buku.
Gaya MLA
Emmons, William H..
Geology: principles and processes/Emmons, William H..
5 ed.
:
New York : McGraw-Hill,
1960.
Buku.
Gaya Turabian
Emmons, William H..
Geology: principles and processes/Emmons, William H..
5 ed.
:
New York : McGraw-Hill,
1960.
Buku.