Tullock, G. (1966). The organization of inquiry. Duke University.
Dyfyniad Arddull ChicagoTullock, Gordon. The Organization of Inquiry. Durham: Duke University, 1966.
Dyfyniad MLATullock, Gordon. The Organization of Inquiry. Duke University, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.