Nair P K R. (1990). The prospects for agroforestry in the tropics. The world bank.
Chicago Style aipamenaNair P K R. The Prospects for Agroforestry in the Tropics. Washinton: The world bank, 1990.
MLA aipamenaNair P K R. The Prospects for Agroforestry in the Tropics. The world bank, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.