Cita APA (7a ed.)
Cruz-Ferreira, M. (2006). Three is a crowd?: Acquiring Portuguese in a trilingual environment. Multilingual Matters.
Cita Chicago Style (17a ed.)
Cruz-Ferreira, Madalena. Three Is a Crowd?: Acquiring Portuguese in a Trilingual Environment. Clevedon, UK ; Buffalo, NY: Multilingual Matters, 2006.
Cita MLA (9a ed.)
Cruz-Ferreira, Madalena. Three Is a Crowd?: Acquiring Portuguese in a Trilingual Environment. Multilingual Matters, 2006.
Precaución: Estas citas no son 100% exactas.