Higgins, H. B. (1968). A new province for law & order: Being a review. Dawsons.
Lua i Stíl Chicago (17ú heag.)Higgins, H. B. A New Province for Law & Order: Being a Review. London: Dawsons, 1968.
Lua MLA (8ú heag.)Higgins, H. B. A New Province for Law & Order: Being a Review. Dawsons, 1968.
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