Gaya APA
STRAHLER,Arthur N. (1960).
Physical Geography (3th.ed).
America:
Jons Weley and Sons.
Gaya Chicago
STRAHLER,Arthur N.
Physical Geography.
3th.ed
America:
Jons Weley and Sons,
1960.
Teks.
Gaya MLA
STRAHLER,Arthur N.
Physical Geography.
3th.ed
America:
Jons Weley and Sons,
1960.
Teks.
Gaya Turabian
STRAHLER,Arthur N.
Physical Geography.
3th.ed
America:
Jons Weley and Sons,
1960.
Teks.