GOODALL, B. (1987). The penguin dictionary of human geography. Penguin Books.
Lua i Stíl Chicago (17ú heag.)GOODALL, Brian. The Penguin Dictionary of Human Geography. London: Penguin Books, 1987.
Lua MLA (9ú heag.)GOODALL, Brian. The Penguin Dictionary of Human Geography. Penguin Books, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.