Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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