FRIEDMAN LAWRENCE M. (1998). FUNDAMENTALS OF CLINICAL TRIALS (3.).
Chicago Style aipamenaFRIEDMAN LAWRENCE M. FUNDAMENTALS OF CLINICAL TRIALS. 3. NEW YORK, 1998.
MLA aipamenaFRIEDMAN LAWRENCE M. FUNDAMENTALS OF CLINICAL TRIALS. 3. 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.