Ch'eng-tu Biogas Scientific Institute & United Nations Industrial Development Organization. (1980). A Summary of the economic benefits of production and utilization of biogas at De-Yang country horticultural farm. United Nations.
Chicago Style (17th ed.) CitationCh'eng-tu Biogas Scientific Institute and United Nations Industrial Development Organization. A Summary of the Economic Benefits of Production and Utilization of Biogas at De-Yang Country Horticultural Farm. [New York?]: United Nations, 1980.
MLA (9th ed.) CitationCh'eng-tu Biogas Scientific Institute and United Nations Industrial Development Organization. A Summary of the Economic Benefits of Production and Utilization of Biogas at De-Yang Country Horticultural Farm. United Nations, 1980.
Warning: These citations may not always be 100% accurate.