Style de citation APA

Nguyễn Quốc Hùng. (2006). English in Focus Level C. TPHCM: NXB HCM.

Style de citation Chicago

Nguyễn Quốc Hùng. English in Focus Level C. TPHCM: NXB HCM, 2006.

Style de citation MLA

Nguyễn Quốc Hùng. English in Focus Level C. TPHCM: NXB HCM, 2006.

Attention : ces citations peuvent ne pas être correctes à 100%.