STEWART, R. G. (1992). Coffee: The political economiy of in export industry in Papua New Guinea. Westview.
芝加哥风格引文STEWART, Randal G. Coffee: The Political Economiy of in Export Industry in Papua New Guinea. Boulder: Westview, 1992.
MLA引文STEWART, Randal G. Coffee: The Political Economiy of in Export Industry in Papua New Guinea. Westview, 1992.
警告：这些引文格式不一定是100％准确.