APA način citiranja (7. izdanje)
ebrary, Inc, Johnston, D., & Zimmermann, R. (2002). Unjustified enrichment: Key issues in comparative perspective. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, David Johnston, i Reinhard Zimmermann. Unjustified Enrichment: Key Issues in Comparative Perspective. Cambridge, U.K. ; New York: Cambridge University Press, 2002.
MLA način citiranja (9. izdanje)
ebrary, Inc, et al. Unjustified Enrichment: Key Issues in Comparative Perspective. Cambridge University Press, 2002.
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