Institute of Social Order. (1970). Agricultural cooperatives. Institute of Social Order.
Lua i Stíl Chicago (17ú heag.)Institute of Social Order. Agricultural Cooperatives. Manila: Institute of Social Order, 1970.
Lua MLA (9ú heag.)Institute of Social Order. Agricultural Cooperatives. Institute of Social Order, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.