(1994). Headway: Intermediate pronunciation; with tapes. Thanh Hóa: Nxb. Thanh Hóa.
Chicago Stili AlıntıHeadway: Intermediate Pronunciation; With Tapes. Thanh Hóa: Nxb. Thanh Hóa, 1994.
MLA AlıntıHeadway: Intermediate Pronunciation; With Tapes. Thanh Hóa: Nxb. Thanh Hóa, 1994.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..