Tullock, G. (1966). The organization of inquiry. Duke University.
Chicago-čujuhus (17. p.)Tullock, Gordon. The Organization of Inquiry. Durham: Duke University, 1966.
MLA-čujuhus (9. p.)Tullock, Gordon. The Organization of Inquiry. Duke University, 1966.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.