Lua APA (7ú heag.)

B H E L. (1999). TRANSFORMERS BHARAT HEAVY ELECTRICAL LIMITED. TATA MC GRAW HILL.

Lua i Stíl Chicago (17ú heag.)

B H E L. TRANSFORMERS BHARAT HEAVY ELECTRICAL LIMITED. TATA MC GRAW HILL, 1999.

Lua MLA (9ú heag.)

B H E L. TRANSFORMERS BHARAT HEAVY ELECTRICAL LIMITED. TATA MC GRAW HILL, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.