Soussan, J. (1988). Primary resources and energy in the third world.
Dyfyniad Arddull ChicagoSoussan, John. Primary Resources and Energy in the Third World. London, Routledge, 1988.
Dyfyniad MLASoussan, John. Primary Resources and Energy in the Third World. 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.