Gaya APA
Bakdi Soemanto,DKK. (2007).
Sustainable Corporation .
:
SGF.
Gaya Chicago
Bakdi Soemanto,DKK.
Sustainable Corporation.
:
SGF,
2007.
Text.
Gaya MLA
Bakdi Soemanto,DKK.
Sustainable Corporation.
:
SGF,
2007.
Text.
Gaya Turabian
Bakdi Soemanto,DKK.
Sustainable Corporation.
:
SGF,
2007.
Print.