एपीए उद्धरण

Comfort, J., & Utley, D. (1995). Effective presentations. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Comfort, Jeremy., और Derek Utley. Effective Presentations. Oxford: Oxford University Press, 1995.

एमएलए उद्धरण

Comfort, Jeremy., और Derek Utley. Effective Presentations. Oxford: Oxford University Press, 1995.