Perry, J. (1983). Voices of emeergency. Popular.
Lua i Stíl Chicago (17ú heag.)Perry, John. Voices of Emeergency. Bombay: Popular, 1983.
Lua MLA (9ú heag.)Perry, John. Voices of Emeergency. Popular, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.