American Chemical Society, American Chemical Society. Division of Fuel Chemistry, & Massey, L. G. (1974). Coal gasification. American Chemical Society.
Chicago-referens (17:e uppl.)American Chemical Society, American Chemical Society. Division of Fuel Chemistry, och Lester G. Massey. Coal Gasification. Washington, DC: American Chemical Society, 1974.
MLA-referens (9:e uppl.)American Chemical Society, et al. Coal Gasification. American Chemical Society, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.