Gaya APA
Getis, Arthur, Getis, Judith, Fellmann, Jerome. (1981).
Geography .
New York:
Macmillan.
Gaya Chicago
Getis, Arthur, Getis, Judith, Fellmann, Jerome.
Geography.
New York:
Macmillan,
1981.
Text.
Gaya MLA
Getis, Arthur, Getis, Judith, Fellmann, Jerome.
Geography.
New York:
Macmillan,
1981.
Text.
Gaya Turabian
Getis, Arthur, Getis, Judith, Fellmann, Jerome.
Geography.
New York:
Macmillan,
1981.
Print.