Dyfyniad APA

Trip, G. (2000). Decision making and economic performance of flower producers. s.n..

Dyfyniad Arddull Chicago

Trip, G. Decision Making and Economic Performance of Flower Producers. [Wageningen: s.n., 2000.

Dyfyniad MLA

Trip, G. Decision Making and Economic Performance of Flower Producers. s.n., 2000.

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