Cita APA (7a ed.)

Barnes, J. D. (2006). Early trilingualism: A focus on questions. Multilingual Matters.

Cita Chicago Style (17a ed.)

Barnes, Julia D. Early Trilingualism: A Focus on Questions. Clevedon [England] ; Buffalo [New York]: Multilingual Matters, 2006.

Cita MLA (8a ed.)

Barnes, Julia D. Early Trilingualism: A Focus on Questions. Multilingual Matters, 2006.