Dyfyniad APA

Goodale, M. (2011). Professional Presentations. Cambridge University Press.

Dyfyniad Arddull Chicago

Goodale, Malcolm. Professional Presentations. New Delhi: Cambridge University Press, 2011.

Dyfyniad MLA

Goodale, Malcolm. Professional Presentations. Cambridge University Press, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.