APA (7th ed.) Citation

Viana, V. (2006). Modals in Brazilian Advanced EFL Learners' Compositions: A Corpus-Based Investigation. Universidad Nacional de Colombia.

Chicago Style (17th ed.) Citation

Viana, Vander. Modals in Brazilian Advanced EFL Learners' Compositions: A Corpus-Based Investigation. Universidad Nacional de Colombia, 2006.

MLA (9th ed.) Citation

Viana, Vander. Modals in Brazilian Advanced EFL Learners' Compositions: A Corpus-Based Investigation. Universidad Nacional de Colombia, 2006.