Jeremy Comford. (1996). Effective presentations (Student's book). Oxford: Oxford Univ. Press.
Dyfyniad Arddull ChicagoJeremy Comford. Effective Presentations (Student's Book). Oxford: Oxford Univ. Press, 1996.
Dyfyniad MLAJeremy Comford. Effective Presentations (Student's Book). Oxford: Oxford Univ. Press, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.