Não informado. (1986). Abstracts on Rural Development in the Tropics. Royal Tropical Institute.
Cita Chicago Style (17a ed.)Não informado. Abstracts on Rural Development in the Tropics. Amsterdam: Royal Tropical Institute, 1986.
Cita MLA (8a ed.)Não informado. Abstracts on Rural Development in the Tropics. Royal Tropical Institute, 1986.
Precaución: Estas citas no son 100% exactas.