STAFFORD L W T. (1978). MATHAMETICS FOR ECONOMISTS (2ND.). MACMILLAN.
Chicago-čujuhus (17. p.)STAFFORD L W T. MATHAMETICS FOR ECONOMISTS. 2ND. LONDON: MACMILLAN, 1978.
MLA-čujuhus (9. p.)STAFFORD L W T. MATHAMETICS FOR ECONOMISTS. 2ND. MACMILLAN, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.