APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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