Lucy, T. (2002). Quantitative techniques (6th ed.). South-Western.
Chicago-čujuhus (17. p.)Lucy, Terry. Quantitative Techniques. 6th ed. Australia: South-Western, 2002.
MLA-čujuhus (9. p.)Lucy, Terry. Quantitative Techniques. 6th ed. South-Western, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.