Gaya APA
Olii, Helena. (2008).
PUBLIC SPEAKING (1 ed).
Jakarta:
Indeks.
Gaya Chicago
Olii, Helena.
PUBLIC SPEAKING.
1 ed
Jakarta:
Indeks,
2008.
Referensi.
Gaya MLA
Olii, Helena.
PUBLIC SPEAKING.
1 ed
Jakarta:
Indeks,
2008.
Referensi.
Gaya Turabian
Olii, Helena.
PUBLIC SPEAKING.
1 ed
Jakarta:
Indeks,
2008.
Referensi.