Lua APA (7ú heag.)
Witte, R. A. (2003). Electronic test instruments (2nd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)
Witte, Robert A. Electronic Test Instruments. 2nd ed. Upper Saddle River, NJ : New Delhi: Prentice Hall, 2003.
Lua MLA (9ú heag.)
Witte, Robert A. Electronic Test Instruments. 2nd ed. Prentice Hall, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.