APA-viite (7. p.)

ebrary, Inc, Delbecque, N., Auwera, J. v. d., & Geeraerts, D. (2005). Perspectives on variation: Sociolinguistic, historical, comparative. Mouton de Gruyter.

Chicago-viite (17. p.)

ebrary, Inc, Nicole Delbecque, Johan van der Auwera, ja Dirk Geeraerts. Perspectives on Variation: Sociolinguistic, Historical, Comparative. Berlin ; New York: Mouton de Gruyter, 2005.

MLA-viite (9. p.)

ebrary, Inc, et al. Perspectives on Variation: Sociolinguistic, Historical, Comparative. Mouton de Gruyter, 2005.