Twining, W. (1973). Karl Liewellyn And The Realist Movement. Wiederfeld And Hecolson.
Čikaški stil citiranja (17. izdanje)Twining, William. Karl Liewellyn And The Realist Movement. London: Wiederfeld And Hecolson, 1973.
MLA način citiranja (9. izdanje)Twining, William. Karl Liewellyn And The Realist Movement. Wiederfeld And Hecolson, 1973.
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