Dyfyniad APA

eleish, g. (1962). an introduction to the input- output model. the institute of national planning.

Dyfyniad Arddull Chicago

eleish, g. An Introduction to the Input- Output Model. cairo: the institute of national planning, 1962.

Dyfyniad MLA

eleish, g. An Introduction to the Input- Output Model. the institute of national planning, 1962.

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