Gaya APA
Grolier Business Library:Mastering Public Speaking. (2005).
[s.l.]:
[s.n.].
Gaya Chicago
Grolier Business Library:Mastering Public Speaking.
.
[s.l.]:
[s.n.],
2005.
Text.
Gaya MLA
Grolier Business Library:Mastering Public Speaking.
.
[s.l.]:
[s.n.],
2005.
Text.
Gaya Turabian
Grolier Business Library:Mastering Public Speaking.
[s.l.]:
[s.n.],
2005.
Print.