Cita APA (7th ed.)

Williams, G., & Lukin, A. (2004). The development of language: Functional perspectives on species and individuals (1a. ed.). Continuum.

Cita Chicago (17th ed.)

Williams, Geoff, i Annabelle Lukin. The Development of Language: Functional Perspectives on Species and Individuals. 1a. ed. Londres: Continuum, 2004.

Cita MLA (9th ed.)

Williams, Geoff, i Annabelle Lukin. The Development of Language: Functional Perspectives on Species and Individuals. 1a. ed. Continuum, 2004.