Não informado. (1986). Abstracts on Rural Development in the Tropics. Royal Tropical Institute.
Chicago-Zitierstil (17. Ausg.)Não informado. Abstracts on Rural Development in the Tropics. Amsterdam: Royal Tropical Institute, 1986.
MLA-Zitierstil (8. Ausg.)Não informado. Abstracts on Rural Development in the Tropics. Royal Tropical Institute, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.