Friedman, H. S. (1990). Personality and disease. John Wiley & Sons.
Chicago-čujuhus (17. p.)Friedman, Howard S. Personality and Disease. New York: John Wiley & Sons, 1990.
MLA-čujuhus (9. p.)Friedman, Howard S. Personality and Disease. John Wiley & Sons, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.