Gaya APA
Property champion. (2014).
Jakarta:
Elex media komputindo.
Gaya Chicago
Property champion.
.
Jakarta:
Elex media komputindo,
2014.
.
Gaya MLA
Property champion.
.
Jakarta:
Elex media komputindo,
2014.
.
Gaya Turabian
Property champion.
Jakarta:
Elex media komputindo,
2014.
.