FRIEDMAN LAWRENCE M. (1998). FUNDAMENTALS OF CLINICAL TRIALS (3.).
芝加哥风格引文FRIEDMAN LAWRENCE M. FUNDAMENTALS OF CLINICAL TRIALS. 3. NEW YORK, 1998.
MLA引文FRIEDMAN LAWRENCE M. FUNDAMENTALS OF CLINICAL TRIALS. 3. 1998.
警告：这些引文格式不一定是100％准确.
APA引文