APA-viite

Ruthenberg,Hans. (1985). Innovation policy for small farmers in the tropics: The economics of technical innovation for agricultural development. Clarendon Press.

Chicago-tyylinen lähdeviittaus

Ruthenberg,Hans. Innovation Policy for Small Farmers in the Tropics: The Economics of Technical Innovation for Agricultural Development. Oxford: Clarendon Press, 1985.

MLA-viite

Ruthenberg,Hans. Innovation Policy for Small Farmers in the Tropics: The Economics of Technical Innovation for Agricultural Development. Clarendon Press, 1985.