Gaya APA
Arthur Getis, dkk.. (2000).
Introduction to Geography (Ed. 7).
America:
Mc Graw Hill.
Gaya Chicago
Arthur Getis, dkk..
Introduction to Geography.
Ed. 7
America:
Mc Graw Hill,
2000.
Text.
Gaya MLA
Arthur Getis, dkk..
Introduction to Geography.
Ed. 7
America:
Mc Graw Hill,
2000.
Text.
Gaya Turabian
Arthur Getis, dkk..
Introduction to Geography.
Ed. 7
America:
Mc Graw Hill,
2000.
Print.