Richards, J. (1978). Recombinant DNA: Science, ethics and politics.
Chicago Style aipamenaRichards, John. Recombinant DNA: Science, Ethics and Politics. Academic Press Inc., New York, 1978.
MLA aipamenaRichards, John. Recombinant DNA: Science, Ethics and Politics. 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.