Dyfyniad APA

Cowle, J. M. (1966). How to Make Big Money as an Advertising Copywriter. Parker.

Dyfyniad Arddull Chicago

Cowle, Jerome M. How to Make Big Money as an Advertising Copywriter. New York: Parker, 1966.

Dyfyniad MLA

Cowle, Jerome M. How to Make Big Money as an Advertising Copywriter. Parker, 1966.

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