Romeiser, J. B., Binkowski, D. D., & Febles, E. A. (2011). Learn to speak english: Workbook : the complete interactive learning solution. The Learning Company.
Citação norma ChicagoRomeiser, John B., Donna Deans Binkowski, e Eduardo A. Febles. Learn to Speak English: Workbook : The Complete Interactive Learning Solution. The Learning Company, 2011.
Citação norma MLARomeiser, John B., Donna Deans Binkowski, e Eduardo A. Febles. Learn to Speak English: Workbook : The Complete Interactive Learning Solution. The Learning Company, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.