Kirn, E. (2009). Interactions 1: Reading. New York,Tp. Hồ Chí Minh: McGraw-Hill,Tổng hợp.
Chicago-tyylinen lähdeviittausKirn, Elaine. Interactions 1: Reading. New York,Tp. Hồ Chí Minh: McGraw-Hill,Tổng hợp, 2009.
MLA-viiteKirn, Elaine. Interactions 1: Reading. New York,Tp. Hồ Chí Minh: McGraw-Hill,Tổng hợp, 2009.
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