Citação norma APA

Nguyen, T. N., & Hanoi National university of education. Faculty of English. (2011). Speaking 1. H: University of education publishing house.

Citação norma Chicago

Nguyen, Thuy Nga, e Hanoi National university of education. Faculty of English. Speaking 1. H: University of education publishing house, 2011.

Citação norma MLA

Nguyen, Thuy Nga, e Hanoi National university of education. Faculty of English. Speaking 1. H: University of education publishing house, 2011.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.