APA

Beauchamp T. L., James F. Childress, . (2001). Principles of biomedical ethics. New York: Oxford University.

Chicago

Beauchamp Tom L, James F. Childress, . 2001. Principles of biomedical ethics. New York: Oxford University.

Harvard

Beauchamp T. L., James F. Childress, . (2001). Principles of biomedical ethics. New York: Oxford University.

MLA

Beauchamp Tom L, James F. Childress, . Principles of biomedical ethics. New York: Oxford University. 2001.