Cita APA

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

Citación estilo Chicago

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

Cita MLA

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