Gaya APA
Dunbar, Carl O., Waage, Karl M.. (1969).
Historical Geology (Third Edition).
New York:
John Wiley and Sons.
Gaya Chicago
Dunbar, Carl O., Waage, Karl M..
Historical Geology.
Third Edition
New York:
John Wiley and Sons,
1969.
Text.
Gaya MLA
Dunbar, Carl O., Waage, Karl M..
Historical Geology.
Third Edition
New York:
John Wiley and Sons,
1969.
Text.
Gaya Turabian
Dunbar, Carl O., Waage, Karl M..
Historical Geology.
Third Edition
New York:
John Wiley and Sons,
1969.
Print.