Ann Baker. (2009). Ship or Sheep?: An intermidiate pronunciation course. Hà Nội: Lao động.
Παραπομπή Chicago StyleAnn Baker. Ship or Sheep?: An Intermidiate Pronunciation Course. Hà Nội: Lao động, 2009.
Παραπομπή MLAAnn Baker. Ship or Sheep?: An Intermidiate Pronunciation Course. Hà Nội: Lao động, 2009.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.