Silveira, R., Zimmer, M., & Alves, U. K. (2009). Pronunciation instruction for Brazilians: Student's book. Cambridge Scholars Publishing.
Chicago Style (17th ed.) CitationSilveira, Rosane, Márcia Zimmer, and Ubiratã Kicköfel Alves. Pronunciation Instruction for Brazilians: Student's Book. Newcastle upon Tyne: Cambridge Scholars Publishing, 2009.
MLA (9th ed.) CitationSilveira, Rosane, et al. Pronunciation Instruction for Brazilians: Student's Book. Cambridge Scholars Publishing, 2009.
Warning: These citations may not always be 100% accurate.