Lua APA (7ú heag.)
Rao, S. (1991). Testing Commissioning, Operation and Maintenance of Electrical Equipments (6th ed.). Khanna Publishers.
Lua i Stíl Chicago (17ú heag.)
Rao, S. Testing Commissioning, Operation and Maintenance of Electrical Equipments. 6th ed. New Delhi.: Khanna Publishers, 1991.
Lua MLA (9ú heag.)
Rao, S. Testing Commissioning, Operation and Maintenance of Electrical Equipments. 6th ed. Khanna Publishers, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.