Cita APA (7a ed.)

Levine, R. J. (1981). Ethics and regulation of clinical research. Urban & Schwarzenberg.

Cita Chicago Style (17a ed.)

Levine, Robert J. Ethics and Regulation of Clinical Research. Baltimore [u.a.]: Urban & Schwarzenberg, 1981.

Cita MLA (9a ed.)

Levine, Robert J. Ethics and Regulation of Clinical Research. Urban & Schwarzenberg, 1981.