Baker, A., & Ann Baker; Nguyễn Thành Yến. (1997). Ship or Sheep ?: An intermediate pronunciation course. Tp. Hồ Chí Minh: Nxb.Tp. Hồ Chí Minh.
शिकागो स्टाइल उद्धरणBaker, Ann, और Ann Baker; Nguyễn Thành Yến. Ship or Sheep ?: An Intermediate Pronunciation Course. Tp. Hồ Chí Minh: Nxb.Tp. Hồ Chí Minh, 1997.
एमएलए उद्धरणBaker, Ann, और Ann Baker; Nguyễn Thành Yến. Ship or Sheep ?: An Intermediate Pronunciation Course. Tp. Hồ Chí Minh: Nxb.Tp. Hồ Chí Minh, 1997.
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