APA-ийн эшлэл(7 дахь хэвлэлт)

STEWART, R. G. (1992). Coffee: The political economiy of in export industry in Papua New Guinea. Westview.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

STEWART, Randal G. Coffee: The Political Economiy of in Export Industry in Papua New Guinea. Boulder: Westview, 1992.

MLA -ийн эшлэл (9 дэх хэвлэлт)

STEWART, Randal G. Coffee: The Political Economiy of in Export Industry in Papua New Guinea. Westview, 1992.