Ferguson, S. D. (2008). Public speaking: Building competency in stages. NY: Oxford University Press.
शिकागो स्टाइल उद्धरणFerguson, Sherry Devereaux. Public Speaking: Building Competency in Stages. NY: Oxford University Press, 2008.
एमएलए उद्धरणFerguson, Sherry Devereaux. Public Speaking: Building Competency in Stages. NY: Oxford University Press, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.