STEWART, R. G. (1992). Coffee: The political economiy of in export industry in Papua New Guinea. Westview.
Chicago-referens (17:e uppl.)STEWART, Randal G. Coffee: The Political Economiy of in Export Industry in Papua New Guinea. Boulder: Westview, 1992.
MLA-referens (9:e uppl.)STEWART, Randal G. Coffee: The Political Economiy of in Export Industry in Papua New Guinea. Westview, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.