APA
Levine R. J., . (1981). Ethic and regulation of clinical research. Baltimore: Urban and Schwarzenberg.
Chicago
Levine Robert J, . 1981. Ethic and regulation of clinical research. Baltimore: Urban and Schwarzenberg.
Harvard
Levine R. J., . (1981). Ethic and regulation of clinical research. Baltimore: Urban and Schwarzenberg.
MLA
Levine Robert J, . Ethic and regulation of clinical research. Baltimore: Urban and Schwarzenberg. 1981.