Schutz, W. (1967). Joy: Expanding human awareness. Grove Press.
Chicago-čujuhus (17. p.)Schutz, William. Joy: Expanding Human Awareness. New York: Grove Press, 1967.
MLA-čujuhus (9. p.)Schutz, William. Joy: Expanding Human Awareness. Grove Press, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.