Baker, A. (2008). Ship or sheep?: An intermediate pronunciation course. Nha xuat ban Dong Nai.
Cita Chicago (17th ed.)Baker, Ann. Ship or Sheep?: An Intermediate Pronunciation Course. Dong Nai, Vietnam: Nha xuat ban Dong Nai, 2008.
Cita MLA (9th ed.)Baker, Ann. Ship or Sheep?: An Intermediate Pronunciation Course. Nha xuat ban Dong Nai, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.