APA-viite (7. p.)
Ritt, N. (2004). Selfish sounds and linguistic evolution: A Darwinian approach to language change. Cambridge.
Chicago-viite (17. p.)
Ritt, Nikolaus. Selfish Sounds and Linguistic Evolution: A Darwinian Approach to Language Change. Cambridge, UK ; New York: Cambridge, 2004.
MLA-viite (9. p.)
Ritt, Nikolaus. Selfish Sounds and Linguistic Evolution: A Darwinian Approach to Language Change. Cambridge, 2004.
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