Pawley, W. H. (1963). Possibilities of increasing world food production. Oxford & IBH publishing co. pvt. ltd.
Chicago Stili AlıntıPawley, Walter H. Possibilities of Increasing World Food Production. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1963.
MLA AlıntıPawley, Walter H. Possibilities of Increasing World Food Production. Oxford & IBH publishing co. pvt. ltd, 1963.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..