APA
United Nations Development Programme, . (1998). The potential for the use of coal and peat in small-scale industries and rural households in countries with dispersed coal deposits. New York: United Nations Development Programme.
Chicago
United Nations Development Programme, . 1998. The potential for the use of coal and peat in small-scale industries and rural households in countries with dispersed coal deposits. New York: United Nations Development Programme.
Harvard
United Nations Development Programme, . (1998). The potential for the use of coal and peat in small-scale industries and rural households in countries with dispersed coal deposits. New York: United Nations Development Programme.
MLA
United Nations Development Programme, . The potential for the use of coal and peat in small-scale industries and rural households in countries with dispersed coal deposits. New York: United Nations Development Programme. 1998.