Lua APA (7ú heag.)

Efron,Alexander. (1957). Sound (NA.). Vakils,Feffer & Simons Private LTD.

Lua i Stíl Chicago (17ú heag.)

Efron,Alexander. Sound. NA. Bombay: Vakils,Feffer & Simons Private LTD, 1957.

Lua MLA (9ú heag.)

Efron,Alexander. Sound. NA. Vakils,Feffer & Simons Private LTD, 1957.

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