Gaya APA
Young- Woon, Son. (2013).
Ancaman Global Warming .
jakarta:
PT Elex Media Komputindo.
Gaya Chicago
Young- Woon, Son.
Ancaman Global Warming.
jakarta:
PT Elex Media Komputindo,
2013.
Text.
Gaya MLA
Young- Woon, Son.
Ancaman Global Warming.
jakarta:
PT Elex Media Komputindo,
2013.
Text.
Gaya Turabian
Young- Woon, Son.
Ancaman Global Warming.
jakarta:
PT Elex Media Komputindo,
2013.
Print.