Dyfyniad APA

BURDEN, E. (1990). Photo Enlowrage A Tracing File Souce Book Ernest Burden. McGraw-Hill.

Dyfyniad Arddull Chicago

BURDEN, Ernest. Photo Enlowrage A Tracing File Souce Book Ernest Burden. McGraw-Hill, 1990.

Dyfyniad MLA

BURDEN, Ernest. Photo Enlowrage A Tracing File Souce Book Ernest Burden. McGraw-Hill, 1990.

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