Gaya APA
Youngson, Cho. (2009).
Why? Physics .
:
Elex Media Komputindo.
Gaya Chicago
Youngson, Cho.
Why? Physics.
:
Elex Media Komputindo,
2009.
Text.
Gaya MLA
Youngson, Cho.
Why? Physics.
:
Elex Media Komputindo,
2009.
Text.
Gaya Turabian
Youngson, Cho.
Why? Physics.
:
Elex Media Komputindo,
2009.
Print.