Penggayaan APA
OLII, Helena. (2010).
Public Speaking .
Jakarta:
Indeks.
Chicago Style
OLII, Helena.
Public Speaking.
Jakarta:
Indeks,
2010.
Text.
MLA Style
OLII, Helena.
Public Speaking.
Jakarta:
Indeks,
2010.
Text.
Turabian Style
OLII, Helena.
Public Speaking.
Jakarta:
Indeks,
2010.
Print.