Penggayaan APA
ENGELN, O.D. Von. (1960).
Geomorphology .
New York:
The MacMillan Company.
Chicago Style
ENGELN, O.D. Von.
Geomorphology.
New York:
The MacMillan Company,
1960.
Buku.
MLA Style
ENGELN, O.D. Von.
Geomorphology.
New York:
The MacMillan Company,
1960.
Buku.
Turabian Style
ENGELN, O.D. Von.
Geomorphology.
New York:
The MacMillan Company,
1960.
Buku.