Rock, I. (1973). Orientation and form. Academic Press.
Lua i Stíl Chicago (17ú heag.)Rock, Irvin. Orientation and Form. New York: Academic Press, 1973.
Lua MLA (9ú heag.)Rock, Irvin. Orientation and Form. Academic Press, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.