Haggett, P. (1977). Locational analysis in human geography. Arnold.
Lua i Stíl Chicago (17ú heag.)Haggett, Peter. Locational Analysis in Human Geography. London: Arnold, 1977.
Lua MLA (9ú heag.)Haggett, Peter. Locational Analysis in Human Geography. Arnold, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.