Dyfyniad APA

(1994). Headway: Intermediate pronunciation; with tapes. Thanh Hóa: Nxb. Thanh Hóa.

Dyfyniad Arddull Chicago

Headway: Intermediate Pronunciation; With Tapes. Thanh Hóa: Nxb. Thanh Hóa, 1994.

Dyfyniad MLA

Headway: Intermediate Pronunciation; With Tapes. Thanh Hóa: Nxb. Thanh Hóa, 1994.

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