Gaya APA
Olii, Helena. (2008).
Public speaking/ Helena Olii .
Hoboken, NJ:
Wiley.
Gaya Chicago
Olii, Helena.
Public speaking/ Helena Olii.
Hoboken, NJ:
Wiley,
2008.
Text.
Gaya MLA
Olii, Helena.
Public speaking/ Helena Olii.
Hoboken, NJ:
Wiley,
2008.
Text.
Gaya Turabian
Olii, Helena.
Public speaking/ Helena Olii.
Hoboken, NJ:
Wiley,
2008.
Print.