Caves, R. E. (1967). Trade and economic structure; models and methods. Cambridge: Harvard University Press.
Dyfyniad Arddull ChicagoCaves, Richard E. Trade and Economic Structure; Models and Methods. Cambridge: Harvard University Press, 1967.
Dyfyniad MLACaves, Richard E. Trade and Economic Structure; Models and Methods. Cambridge: Harvard University Press, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.