APA استشهاد

Ronald Polansky. (2002). Bioethics: Ancient themes in contemporary issues. MIT.

استشهاد بنمط شيكاغو

Ronald Polansky. Bioethics: Ancient Themes in Contemporary Issues. Cambridge: MIT, 2002.

MLA استشهاد

Ronald Polansky. Bioethics: Ancient Themes in Contemporary Issues. MIT, 2002.