(1956). Progress in land reform: Analysis of replies by governments to a United Nations questionnaire (2nd ed.). New York: United Nations. Department of Economic and Social Affairs.
Παραπομπή Chicago StyleProgress in Land Reform: Analysis of Replies By Governments to a United Nations Questionnaire. 2nd ed. New York: United Nations. Department of Economic and Social Affairs, 1956.
Παραπομπή MLAProgress in Land Reform: Analysis of Replies By Governments to a United Nations Questionnaire. 2nd ed. New York: United Nations. Department of Economic and Social Affairs, 1956.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.