Gaya APA
Helena Olii, MM.. (2008).
Public Speaking (3).
JAKARTA:
PT. Indeks.
Gaya Chicago
Helena Olii, MM..
Public Speaking.
3
JAKARTA:
PT. Indeks,
2008.
Text.
Gaya MLA
Helena Olii, MM..
Public Speaking.
3
JAKARTA:
PT. Indeks,
2008.
Text.
Gaya Turabian
Helena Olii, MM..
Public Speaking.
3
JAKARTA:
PT. Indeks,
2008.
Print.