APA
Friedman L. M., Furberg C. & DeMets D. L. (2010). Fundamentals of clinical trials. New York: Springer.
Chicago
Friedman Lawrence M, Furberg Curt and DeMets David L. 2010. Fundamentals of clinical trials. New York: Springer.
Harvard
Friedman L. M., Furberg C. and DeMets D. L. (2010). Fundamentals of clinical trials. New York: Springer.
MLA
Friedman Lawrence M, Furberg Curt and DeMets David L. Fundamentals of clinical trials. New York: Springer. 2010.