Jackson, D. (1981). The distribution of incomes in Papua New Guinea. National Planning Office.
Chicago-referens (17:e uppl.)Jackson, Dudley. The Distribution of Incomes in Papua New Guinea. [Port Moresby]: National Planning Office, 1981.
MLA-referens (9:e uppl.)Jackson, Dudley. The Distribution of Incomes in Papua New Guinea. National Planning Office, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.