Chang, S. S. (1963). Energy conversion. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Chang, Sheldon S.L. Energy Conversion. Englewood Cliffs, N.J: Prentice-Hall, 1963.
Lua MLA (9ú heag.)Chang, Sheldon S.L. Energy Conversion. Prentice-Hall, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.