UN. (1980). Conservation Of Energy In The Chemical Industry (1. Edisyon.). UN.
Chicago Style (17th ed.) CitationUN. Conservation Of Energy In The Chemical Industry. 1. Edisyon. New York: UN, 1980.
MLA (9th ed.) CitationUN. Conservation Of Energy In The Chemical Industry. 1. Edisyon. UN, 1980.
Warning: These citations may not always be 100% accurate.