Dyfyniad APA

Utton, M. A., & Morgan, A. D. (1983). Concentration and foreign trade. Cambridge University Press.

Dyfyniad Arddull Chicago

Utton, M. A., and Ann D. Morgan. Concentration and Foreign Trade. Cambridge: Cambridge University Press, 1983.

Dyfyniad MLA

Utton, M. A., and Ann D. Morgan. Concentration and Foreign Trade. Cambridge University Press, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.