Gaya APA
Sulawesi Utara from space. (2007).
Cibinong:
Bakosurtanal.
Gaya Chicago
Sulawesi Utara from space.
.
Cibinong:
Bakosurtanal,
2007.
Text.
Gaya MLA
Sulawesi Utara from space.
.
Cibinong:
Bakosurtanal,
2007.
Text.
Gaya Turabian
Sulawesi Utara from space.
Cibinong:
Bakosurtanal,
2007.
Print.