Puchstein, A. F., Lloyd, T. C., & Conrad, A. G. (1954). Alternating-current machines (3d. ed.). John Wiley & sons.
Lua i Stíl Chicago (17ú heag.)Puchstein, Albert Frederick, T. C. Lloyd, agus A. G. Conrad. Alternating-current Machines. 3d. ed. New York: John Wiley & sons, 1954.
Lua MLA (8ú heag.)Puchstein, Albert Frederick, et al. Alternating-current Machines. 3d. ed. John Wiley & sons, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.