Schutz, W. (1967). Joy: Expanding human awareness. Grove Press.
Lua i Stíl Chicago (17ú heag.)Schutz, William. Joy: Expanding Human Awareness. New York: Grove Press, 1967.
Lua MLA (9ú heag.)Schutz, William. Joy: Expanding Human Awareness. Grove Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.