(1968). Managerial economics: Selected readings. Penguin.
Chicago-čujuhus (17. p.)Managerial Economics: Selected Readings. Middlesex, England: Penguin, 1968.
MLA-čujuhus (9. p.)Managerial Economics: Selected Readings. Penguin, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.