APA-viite (7. p.)
Lévy, P. (2011). The semantic sphere: Computation, cognition and information economy. ISTE : Wiley.
Chicago-viite (17. p.)
Lévy, Pierre. The Semantic Sphere: Computation, Cognition and Information Economy. London, England ; Hoboken, New Jersey: ISTE : Wiley, 2011.
MLA-viite (9. p.)
Lévy, Pierre. The Semantic Sphere: Computation, Cognition and Information Economy. ISTE : Wiley, 2011.
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