Lua APA (7ú heag.)
Clayton, A. E., & Hancock, N. N. The Performance and design of direct current machines (3rd ed.). CBS Pub.
Lua i Stíl Chicago (17ú heag.)
Clayton, Albert E., agus N. N. Hancock. The Performance and Design of Direct Current Machines. 3rd ed. New Delhi: CBS Pub.
Lua MLA (9ú heag.)
Clayton, Albert E., agus N. N. Hancock. The Performance and Design of Direct Current Machines. 3rd ed. CBS Pub.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.