Nelson, P. E. (. E. 1., Titsworth, S., & Pearson, J. C. (2009). iSpeak: Public speaking for contemporary life (2nd ed.). Boston: McGraw-Hill Higher Education.
শিকাগো স্টাইলে সাইটেশনNelson, Paul E.|q (Paul Edward) 1941-, Scott Titsworth, এবং Judy C. Pearson. ISpeak: Public Speaking for Contemporary Life. 2nd ed. Boston: McGraw-Hill Higher Education, 2009.
এমএলএ সাইটেশনNelson, Paul E.|q (Paul Edward) 1941-, Scott Titsworth, এবং Judy C. Pearson. ISpeak: Public Speaking for Contemporary Life. 2nd ed. Boston: McGraw-Hill Higher Education, 2009.
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