Busteed, M. A. (1983). Developments in political geography. Academic Press.
Lua i Stíl Chicago (17ú heag.)Busteed, M. A. Developments in Political Geography. London ; New York: Academic Press, 1983.
Lua MLA (8ú heag.)Busteed, M. A. Developments in Political Geography. Academic Press, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.