Dyfyniad APA

Bell, A. H. (2008). Butterflies Be Gone: A Hand on Aprroach to Sweat - Proof Public Speaking. McGraw Hill.

Dyfyniad Arddull Chicago

Bell, Arthur H. Butterflies Be Gone: A Hand On Aprroach to Sweat - Proof Public Speaking. McGraw Hill, 2008.

Dyfyniad MLA

Bell, Arthur H. Butterflies Be Gone: A Hand On Aprroach to Sweat - Proof Public Speaking. McGraw Hill, 2008.

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