Riegel, E. R. (1974). Riegel,s handbook of industrial chemistry (7thed.). Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Riegel, Emil Raymond. Riegel,s Handbook of Industrial Chemistry. 7thed. New York: Van Nostrand, 1974.
Lua MLA (9ú heag.)Riegel, Emil Raymond. Riegel,s Handbook of Industrial Chemistry. 7thed. Van Nostrand, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.