Ficker, V. B. (1971). Social science and urban crisis. Macmillan.
Chicago-čujuhus (17. p.)Ficker, Victor B. Social Science and Urban Crisis. New York: Macmillan, 1971.
MLA-čujuhus (9. p.)Ficker, Victor B. Social Science and Urban Crisis. Macmillan, 1971.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.