Malkin، J.؛ Wildavasky، A. (1991). "Why the traditional distinction between public and private goods should be abandoned". Journal of Theoretical Politics. ج. 3 ع. 4: 355–378. DOI:10.1177/0951692891003004001. S2CID:154607937.
Malkin، J.؛ Wildavasky، A. (1991). "Why the traditional distinction between public and private goods should be abandoned". Journal of Theoretical Politics. ج. 3 ع. 4: 355–378. DOI:10.1177/0951692891003004001. S2CID:154607937.