(1994). Headway: Intermediate pronunciation; with tapes. Thanh Hóa: Nxb. Thanh Hóa.
Trích dẫn kiểu ChicagoHeadway: Intermediate Pronunciation; With Tapes. Thanh Hóa: Nxb. Thanh Hóa, 1994.
MLA引文Headway: Intermediate Pronunciation; With Tapes. Thanh Hóa: Nxb. Thanh Hóa, 1994.
警告:這些引文格式不一定是100%准確.