Penggayaan APA
GILLULY, James. (1968).
Principles of Geology (3nd ed.).
San Francisco:
W. H. Freeman and Company.
Chicago Style
GILLULY, James.
Principles of Geology.
3nd ed.
San Francisco:
W. H. Freeman and Company,
1968.
Buku.
MLA Style
GILLULY, James.
Principles of Geology.
3nd ed.
San Francisco:
W. H. Freeman and Company,
1968.
Buku.
Turabian Style
GILLULY, James.
Principles of Geology.
3nd ed.
San Francisco:
W. H. Freeman and Company,
1968.
Buku.