Freeman, M. D. A. (2016). Lloyd's Introduction to Jurisprudence (9th ed.). Sweet & Maxwell UK Ltd.
Lua i Stíl Chicago (17ú heag.)Freeman, Michael D. A. Lloyd's Introduction to Jurisprudence. 9th ed. London: Sweet & Maxwell UK Ltd, 2016.
Lua MLA (9ú heag.)Freeman, Michael D. A. Lloyd's Introduction to Jurisprudence. 9th ed. Sweet & Maxwell UK Ltd, 2016.
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