Johnston, R. J. (1986). Philosophy and human geography: An introduction to contemporary approaches (2nd ed.). Edward Arnold.
Chicago-čujuhus (17. p.)Johnston, R. J. Philosophy and Human Geography: An Introduction to Contemporary Approaches. 2nd ed. London: Edward Arnold, 1986.
MLA-čujuhus (9. p.)Johnston, R. J. Philosophy and Human Geography: An Introduction to Contemporary Approaches. 2nd ed. Edward Arnold, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.