Gaya APA
Riyanto, S.Pd. (2013).
Warisan Dunia .
:
Platinum.
Gaya Chicago
Riyanto, S.Pd.
Warisan Dunia.
:
Platinum,
2013.
Text.
Gaya MLA
Riyanto, S.Pd.
Warisan Dunia.
:
Platinum,
2013.
Text.
Gaya Turabian
Riyanto, S.Pd.
Warisan Dunia.
:
Platinum,
2013.
Print.