Dyfyniad APA

Sutanto Leo, d. (2013). English for Academic Purposes: Essay Writing. Yogyakarta: ANDI.

Dyfyniad Arddull Chicago

Sutanto Leo, dkk. English for Academic Purposes: Essay Writing. Yogyakarta: ANDI, 2013.

Dyfyniad MLA

Sutanto Leo, dkk. English for Academic Purposes: Essay Writing. Yogyakarta: ANDI, 2013.

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