Dyfyniad APA

Leo, S. (2009). English for Academic Purpose: Essay Writting/ 2009. Yogyakarta: Andi.

Dyfyniad Arddull Chicago

Leo, Sutanto. English for Academic Purpose: Essay Writting/ 2009. Yogyakarta: Andi, 2009.

Dyfyniad MLA

Leo, Sutanto. English for Academic Purpose: Essay Writting/ 2009. Yogyakarta: Andi, 2009.

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