Ackert, P. (2000). Facts and figures: Basic reading practice. Tp. Hồ Chí Minh: Trẻ.
शिकागो स्टाइल उद्धरणAckert, Patricia. Facts and Figures: Basic Reading Practice. Tp. Hồ Chí Minh: Trẻ, 2000.
एमएलए उद्धरणAckert, Patricia. Facts and Figures: Basic Reading Practice. Tp. Hồ Chí Minh: Trẻ, 2000.
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