Dyfyniad APA

Leonhard, B. H. (2002). Discoveries in academic writing. Boston, MA: Thomson Learning.

Dyfyniad Arddull Chicago

Leonhard, Barbara Harris. Discoveries in Academic Writing. Boston, MA: Thomson Learning, 2002.

Dyfyniad MLA

Leonhard, Barbara Harris. Discoveries in Academic Writing. Boston, MA: Thomson Learning, 2002.

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