Johnson, J. H. (1972). Urban geography: An introductory analysis. Pergamon.
Chicago-čujuhus (17. p.)Johnson, James H. Urban Geography: An Introductory Analysis. Oxford: Pergamon, 1972.
MLA-čujuhus (9. p.)Johnson, James H. Urban Geography: An Introductory Analysis. Pergamon, 1972.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.