HAGGETT, P. (1983). Geography: A modern synthesis.-- ed.3. Harper and Row.
Lua i Stíl Chicago (17ú heag.)HAGGETT, Peter. Geography: A Modern Synthesis.-- Ed.3. New York: Harper and Row, 1983.
Lua MLA (9ú heag.)HAGGETT, Peter. Geography: A Modern Synthesis.-- Ed.3. Harper and Row, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.