Sorum, C. H. (1960). Introduction to semimicro qualitative: Analysis. prentice-Hall.
Chicago-čujuhus (17. p.)Sorum, C. H. Introduction to Semimicro Qualitative: Analysis. Englewood- cliffs, N.J.: prentice-Hall, 1960.
MLA-čujuhus (9. p.)Sorum, C. H. Introduction to Semimicro Qualitative: Analysis. prentice-Hall, 1960.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.