Levenson, F. B. (1984). The causes and prevention of cancer. Stein and Day.
Chicago-čujuhus (17. p.)Levenson, Fraderick B. The Causes and Prevention of Cancer. Stein and Day, 1984.
MLA-čujuhus (9. p.)Levenson, Fraderick B. The Causes and Prevention of Cancer. Stein and Day, 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.