Pearce,David W, & Siehert,Horst. (1984). Risk and the political economy of resource development. Mac Millan.
Dyfyniad Arddull ChicagoPearce,David W, and Siehert,Horst. Risk and the Political Economy of Resource Development. London: Mac Millan, 1984.
Dyfyniad MLAPearce,David W, and Siehert,Horst. Risk and the Political Economy of Resource Development. Mac Millan, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.