Cita APA (7th ed.)
Browkhoren, G. (1996). Non-timber forest products: Ecologial and economic aspects of exploitation in Colombia, Ecuador and Bolivia. IUCN.
Cita Chicago (17th ed.)
Browkhoren, Guido. Non-timber Forest Products: Ecologial and Economic Aspects of Exploitation in Colombia, Ecuador and Bolivia. Gland, Swetzerland: IUCN, 1996.
Cita MLA (9th ed.)
Browkhoren, Guido. Non-timber Forest Products: Ecologial and Economic Aspects of Exploitation in Colombia, Ecuador and Bolivia. IUCN, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.