Robertson, I. (1987). Sociology (3rd ed.). Worth publishers.
Chicago-čujuhus (17. p.)Robertson, Ian. Sociology. 3rd ed. New York: Worth publishers, 1987.
MLA-čujuhus (9. p.)Robertson, Ian. Sociology. 3rd ed. Worth publishers, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.