Trip, G. (2000). Decision making and economic performance of flower producers. s.n..
Chicago Style (17th ed.) CitationTrip, G. Decision Making and Economic Performance of Flower Producers. [Wageningen: s.n., 2000.
MLA引文Trip, G. Decision Making and Economic Performance of Flower Producers. s.n., 2000.
警告:这些引文格式不一定是100%准确.