Ackert, P. (2000). Facts and figures: Basic reading practice. Tp. Hồ Chí Minh: Trẻ.
Dyfyniad Arddull ChicagoAckert, Patricia. Facts and Figures: Basic Reading Practice. Tp. Hồ Chí Minh: Trẻ, 2000.
Dyfyniad MLAAckert, Patricia. Facts and Figures: Basic Reading Practice. Tp. Hồ Chí Minh: Trẻ, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.