APA Style
90 minutes to killer presentation skills. (2009).
:
PublicSpeakingSkills.com.
Chicago Style
90 minutes to killer presentation skills.
.
:
PublicSpeakingSkills.com,
2009.
.
MLA Style
90 minutes to killer presentation skills.
.
:
PublicSpeakingSkills.com,
2009.
.
Turabian Style
90 minutes to killer presentation skills.
:
PublicSpeakingSkills.com,
2009.
.