Penggayaan APA
NEWBERG, Donald W.. (1974).
A Study guide to earth .
San Francisco:
W.H. Freeman.
Chicago Style
NEWBERG, Donald W..
A Study guide to earth.
San Francisco:
W.H. Freeman,
1974.
Buku.
MLA Style
NEWBERG, Donald W..
A Study guide to earth.
San Francisco:
W.H. Freeman,
1974.
Buku.
Turabian Style
NEWBERG, Donald W..
A Study guide to earth.
San Francisco:
W.H. Freeman,
1974.
Buku.