Penggayaan APA
Strahler, Arthur N.. ().
Physical Geography .
:
Willey Topan.
Chicago Style
Strahler, Arthur N..
Physical Geography.
:
Willey Topan,
.
Text.
MLA Style
Strahler, Arthur N..
Physical Geography.
:
Willey Topan,
.
Text.
Turabian Style
Strahler, Arthur N..
Physical Geography.
:
Willey Topan,
.
Print.