DanielKolak著. (2002). Lovers of wisdom an introduction to philosophy with integrated readings：[英文影印版]. 北京大学出版社.
Čikaški stil citiranja (17. izdanje)DanielKolak著. Lovers of Wisdom an Introduction to Philosophy with Integrated Readings：[英文影印版]. 北京大学出版社, 2002.
MLA način citiranja (8. izdanje)DanielKolak著. Lovers of Wisdom an Introduction to Philosophy with Integrated Readings：[英文影印版]. 北京大学出版社, 2002.
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