Ernst, E. (1982). International commodity agreements: The system of controlling the international commodity market. Martinus Nijhoff ; Distributors for the U.S. and Canada, Kluwer Boston.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ernst, Ervin. International Commodity Agreements: The System of Controlling the International Commodity Market. Hague ; Boston : Hingham, MA: Martinus Nijhoff ; Distributors for the U.S. and Canada, Kluwer Boston, 1982.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ernst, Ervin. International Commodity Agreements: The System of Controlling the International Commodity Market. Martinus Nijhoff ; Distributors for the U.S. and Canada, Kluwer Boston, 1982.