Friedman, W. G. (1962). Methods and policies of principal donor countries (United States, United Kingdom, France, West Germany, European Economic Community) in public international development financing; a preliminary appraisal. s.n.
Chicagoスタイル(17版)引用形式Friedman, Wolfgang Gaston. Methods and Policies of Principal Donor Countries (United States, United Kingdom, France, West Germany, European Economic Community) in Public International Development Financing; a Preliminary Appraisal. New York: s.n, 1962.
MLA(9版)引用形式Friedman, Wolfgang Gaston. Methods and Policies of Principal Donor Countries (United States, United Kingdom, France, West Germany, European Economic Community) in Public International Development Financing; a Preliminary Appraisal. s.n, 1962.