Citação norma APA

Tran, X. D. (2009). US Culture thru Speaking: Teachers' help. H: University of Education Publishing house.

Citação norma Chicago

Tran, Xuan Diep. US Culture Thru Speaking: Teachers' Help. H: University of Education Publishing house, 2009.

Citação norma MLA

Tran, Xuan Diep. US Culture Thru Speaking: Teachers' Help. H: University of Education Publishing house, 2009.

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