SpringerLink (Online service), Penning de Vries, F., Teng, P., & Metselaar, K. (1993). Systems approaches for agricultural development: Proceedings of the International Symposium on Systems Approaches for Agricultural Development, 2-6 December 1991, Bangkok, Thailand (1st ed. 1993.). Dordrecht: Springer Netherlands : Imprint: Springer.
Citación estilo ChicagoSpringerLink (Online service), F.W.T Penning de Vries, P.S Teng, y Klaas Metselaar. Systems Approaches for Agricultural Development: Proceedings of the International Symposium On Systems Approaches for Agricultural Development, 2-6 December 1991, Bangkok, Thailand. 1st ed. 1993. Dordrecht: Springer Netherlands : Imprint: Springer, 1993.
Cita MLASpringerLink (Online service), F.W.T Penning de Vries, P.S Teng, y Klaas Metselaar. Systems Approaches for Agricultural Development: Proceedings of the International Symposium On Systems Approaches for Agricultural Development, 2-6 December 1991, Bangkok, Thailand. 1st ed. 1993. Dordrecht: Springer Netherlands : Imprint: Springer, 1993.