APA-viite

Soyeong, K., & Kim Soyeong; Lê Huy Lâm. (2009). Big step TOEIC 3: 3 steps to conquer the New TOEIC test. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh.

Chicago-tyylinen lähdeviittaus

Soyeong, Kim, ja Kim Soyeong; Lê Huy Lâm. Big Step TOEIC 3: 3 Steps to Conquer the New TOEIC Test. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2009.

MLA-viite

Soyeong, Kim, ja Kim Soyeong; Lê Huy Lâm. Big Step TOEIC 3: 3 Steps to Conquer the New TOEIC Test. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2009.

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