TYAGI, A. K. (2003). HANDBOOK ON ENERGY AUDITS AND MANAGEMENT. TERI.
Lua i Stíl Chicago (17ú heag.)TYAGI, A K. HANDBOOK ON ENERGY AUDITS AND MANAGEMENT. NEW DELHI: TERI, 2003.
Lua MLA (9ú heag.)TYAGI, A K. HANDBOOK ON ENERGY AUDITS AND MANAGEMENT. TERI, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.