APA

Beauchamp T., Childress J., . (2001). Principles of Biomedical Ethics. OXFORD: Oxford University Press.

Chicago

Beauchamp Tom, Childress James, . 2001. Principles of Biomedical Ethics. OXFORD: Oxford University Press.

Harvard

Beauchamp T., Childress J., . (2001). Principles of Biomedical Ethics. OXFORD: Oxford University Press.

MLA

Beauchamp Tom, Childress James, . Principles of Biomedical Ethics. OXFORD: Oxford University Press. 2001.