LAYARD, P. (1978). Microeconomic theory. McGraw-Hill.
Chicago-čujuhus (17. p.)LAYARD, P.R.G. Microeconomic Theory. New York: McGraw-Hill, 1978.
MLA-čujuhus (9. p.)LAYARD, P.R.G. Microeconomic Theory. McGraw-Hill, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.