Dyfyniad APA

Jeremy Comford. (1996). Effective presentations (Student's book). Oxford: Oxford Univ. Press.

Dyfyniad Arddull Chicago

Jeremy Comford. Effective Presentations (Student's Book). Oxford: Oxford Univ. Press, 1996.

Dyfyniad MLA

Jeremy 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.