Não informado. (1972). AIChE Monograph Series. American Institute of Chemical Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. AIChE Monograph Series. New York: American Institute of Chemical Engineers, 1972.
Lua MLA (8ú heag.)Não informado. AIChE Monograph Series. American Institute of Chemical Engineers, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.