.Boustead I & .Hancock, G. F. (1979). Handbook of industrial energy analysis. E. Horwood ; Halsted Press.
Lua i Stíl Chicago (17ú heag.).Boustead I agus G. F. .Hancock. Handbook of Industrial Energy Analysis. Chichester, Eng. : New York: E. Horwood ; Halsted Press, 1979.
Lua MLA (9ú heag.).Boustead I agus G. F. .Hancock. Handbook of Industrial Energy Analysis. E. Horwood ; Halsted Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.