John Eyles. (1988). Research in human geography: Introductions and investigations. Basil Blackwell.
Chicago-čujuhus (17. p.)John Eyles. Research in Human Geography: Introductions and Investigations. New York: Basil Blackwell, 1988.
MLA-čujuhus (9. p.)John Eyles. Research in Human Geography: Introductions and Investigations. Basil Blackwell, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.