Gaya APA
Strahler, Alan & Strahler, Arthur. (2005).
Introducing Physical Geography (3).
Amerika:
John Wiley & Sons.
Gaya Chicago
Strahler, Alan & Strahler, Arthur.
Introducing Physical Geography.
3
Amerika:
John Wiley & Sons,
2005.
Text.
Gaya MLA
Strahler, Alan & Strahler, Arthur.
Introducing Physical Geography.
3
Amerika:
John Wiley & Sons,
2005.
Text.
Gaya Turabian
Strahler, Alan & Strahler, Arthur.
Introducing Physical Geography.
3
Amerika:
John Wiley & Sons,
2005.
Print.