(1969). Asian agricultural survey. Manila: Asian Development Bank.
Dyfyniad Arddull ChicagoAsian Agricultural Survey. Manila: Asian Development Bank, 1969.
Dyfyniad MLAAsian Agricultural Survey. Manila: Asian Development Bank, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.