Gaya APA
Helfer,Ralph. ().
Zamba (1).
:
Jakarta,Gramedia,2006.
Gaya Chicago
Helfer,Ralph.
Zamba.
1
:
Jakarta,Gramedia,2006,
.
.
Gaya MLA
Helfer,Ralph.
Zamba.
1
:
Jakarta,Gramedia,2006,
.
.
Gaya Turabian
Helfer,Ralph.
Zamba.
1
:
Jakarta,Gramedia,2006,
.
.