APA
Friedman L. M., Furberg C. D. D. D. L. R. D. M. G. C. B., . (2015). Fundamentals of clinical trials. New York: Springer.
Chicago
Friedman Lawrence M, Furberg Curt D DeMets David L Reboussin David M Granger Christopher B, . 2015. Fundamentals of clinical trials. New York: Springer.
Harvard
Friedman L. M., Furberg C. D. D. D. L. R. D. M. G. C. B., . (2015). Fundamentals of clinical trials. New York: Springer.
MLA
Friedman Lawrence M, Furberg Curt D DeMets David L Reboussin David M Granger Christopher B, . Fundamentals of clinical trials. New York: Springer. 2015.