Cita APA (7th ed.)

Gardner, R., & Wagner, J. (2004). Second language conversations. Continuum.

Cita Chicago (17th ed.)

Gardner, Rod, i Johannes Wagner. Second Language Conversations. Londres: Continuum, 2004.

Cita MLA (9th ed.)

Gardner, Rod, i Johannes Wagner. Second Language Conversations. Continuum, 2004.