Gaya APA
Cho, Young Seon. (2011).
Why? Future Science .
Jakarta:
PT Gramedia.
Gaya Chicago
Cho, Young Seon.
Why? Future Science.
Jakarta:
PT Gramedia,
2011.
Text.
Gaya MLA
Cho, Young Seon.
Why? Future Science.
Jakarta:
PT Gramedia,
2011.
Text.
Gaya Turabian
Cho, Young Seon.
Why? Future Science.
Jakarta:
PT Gramedia,
2011.
Print.