APA-referens (7:e uppl.)
Thorp, W. (1964). Development assistance efforts and policies: Of the members of the development assistance coommittee.
Chicago-referens (17:e uppl.)
Thorp, Willard. Development Assistance Efforts and Policies: Of the Members of the Development Assistance Coommittee. 1964.
MLA-referens (9:e uppl.)
Thorp, Willard. Development Assistance Efforts and Policies: Of the Members of the Development Assistance Coommittee. 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.