Tanka, J., & Most, P. (2009). Interactions 1: Listening / Speaking. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh;McGraw - Hill.
Chicago-tyylinen lähdeviittausTanka, Judith, ja Paul Most. Interactions 1: Listening / Speaking. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh;McGraw - Hill, 2009.
MLA-viiteTanka, Judith, ja Paul Most. Interactions 1: Listening / Speaking. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh;McGraw - Hill, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.