Penggayaan APA
Public speaking success in 20 minutes a day. (2010).
Jena ::
Learning Express.
Chicago Style
Public speaking success in 20 minutes a day.
.
Jena ::
Learning Express,
2010.
Text.
MLA Style
Public speaking success in 20 minutes a day.
.
Jena ::
Learning Express,
2010.
Text.
Turabian Style
Public speaking success in 20 minutes a day.
Jena ::
Learning Express,
2010.
Print.