Παραπομπή APA

Helga Kuhse & Peter Singer. (2012). A companion to bioethics (2.). Wiley Blackwell.

Παραπομπή Chicago Style

Helga Kuhse και Peter Singer. A Companion to Bioethics. 2. West Sussex: Wiley Blackwell, 2012.

Παραπομπή MLA

Helga Kuhse και Peter Singer. A Companion to Bioethics. 2. Wiley Blackwell, 2012.