FRIEDMAN LAWRENCE M. (1998). FUNDAMENTALS OF CLINICAL TRIALS (3.).
Chicago-čujuhus (17. p.)FRIEDMAN LAWRENCE M. FUNDAMENTALS OF CLINICAL TRIALS. 3. NEW YORK, 1998.
MLA-čujuhus (9. p.)FRIEDMAN LAWRENCE M. FUNDAMENTALS OF CLINICAL TRIALS. 3. 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.