APA

Beauchamp T. L., Childress J. F., . (1983). Principles of biomedical ethics. New York [u.a.]: Oxford Univ. Press.

Chicago

Beauchamp Tom L, Childress James F, . 1983. Principles of biomedical ethics. New York [u.a.]: Oxford Univ. Press.

Harvard

Beauchamp T. L., Childress J. F., . (1983). Principles of biomedical ethics. New York [u.a.]: Oxford Univ. Press.

MLA

Beauchamp Tom L, Childress James F, . Principles of biomedical ethics. New York [u.a.]: Oxford Univ. Press. 1983.