John Eyles. (1988). Research in human geography: Introductions and investigations. Basil Blackwell.
Chicago Style (17th ed.) ZitazioaJohn Eyles. Research in Human Geography: Introductions and Investigations. New York: Basil Blackwell, 1988.
MLA (9th ed.) ZitazioaJohn Eyles. Research in Human Geography: Introductions and Investigations. Basil Blackwell, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.