Harphan, E. J. (1982). The political economy of public policy. Sage.
Chicago-čujuhus (17. p.)Harphan, Edward J. The Political Economy of Public Policy. Beverly Hills: Sage, 1982.
MLA-čujuhus (9. p.)Harphan, Edward J. The Political Economy of Public Policy. Sage, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.