Wolf-Phillips, L. (1972). Comparative constitutions. Macmillan.
Lua i Stíl Chicago (17ú heag.)Wolf-Phillips, Leslie. Comparative Constitutions. London: Macmillan, 1972.
Lua MLA (8ú heag.)Wolf-Phillips, Leslie. Comparative Constitutions. Macmillan, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.