S. M. AKHTAR. (1968). Introduction to modern economics. Publishers United.
Chicago-čujuhus (17. p.)S. M. AKHTAR. Introduction to Modern Economics. Lahore: Publishers United, 1968.
MLA-čujuhus (9. p.)S. M. AKHTAR. Introduction to Modern Economics. Publishers United, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.