Robinson, M. A. (1956). An Introduction to economic reasoning. Brookings Institution.
Chicago-čujuhus (17. p.)Robinson, Marshall A. An Introduction to Economic Reasoning. Washington: Brookings Institution, 1956.
MLA-čujuhus (9. p.)Robinson, Marshall A. An Introduction to Economic Reasoning. Brookings Institution, 1956.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.