Gaya APA
Private and Public Speaking. (2010).
Jakarta:
[s.n.].
Gaya Chicago
Private and Public Speaking.
.
Jakarta:
[s.n.],
2010.
Text.
Gaya MLA
Private and Public Speaking.
.
Jakarta:
[s.n.],
2010.
Text.
Gaya Turabian
Private and Public Speaking.
Jakarta:
[s.n.],
2010.
Print.