The United Nations Development Fund for Women (UNIFEM) & Intermediate Technology Development Group. (1989). Root crop processing. The United Nations Development Fund for Women (UNIFEM).
Chicago-viite (17. p.)The United Nations Development Fund for Women (UNIFEM) ja Intermediate Technology Development Group. Root Crop Processing. New York: The United Nations Development Fund for Women (UNIFEM), 1989.
MLA-viite (8. p.)The United Nations Development Fund for Women (UNIFEM) ja Intermediate Technology Development Group. Root Crop Processing. The United Nations Development Fund for Women (UNIFEM), 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.