Gaya APA
Stuart, Cristina. (1989).
How To be an Effective Speaker .
United States of America:
NTC Business Books.
Gaya Chicago
Stuart, Cristina.
How To be an Effective Speaker.
United States of America:
NTC Business Books,
1989.
Text.
Gaya MLA
Stuart, Cristina.
How To be an Effective Speaker.
United States of America:
NTC Business Books,
1989.
Text.
Gaya Turabian
Stuart, Cristina.
How To be an Effective Speaker.
United States of America:
NTC Business Books,
1989.
Print.