Spencer, M. H. (1977). Contemporary microeconomics (3rd ed.). Worth.
Chicago-čujuhus (17. p.)Spencer, Milton H. Contemporary Microeconomics. 3rd ed. New York: Worth, 1977.
MLA-čujuhus (9. p.)Spencer, Milton H. Contemporary Microeconomics. 3rd ed. Worth, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.