APA-referens (7:e uppl.)

Tolentino, F. The Precautionary principle: Closing the gap between international trade and biotechnology (Conclusion). Manila Bulletin.

Chicago-referens (17:e uppl.)

Tolentino, Francis. "The Precautionary Principle: Closing the Gap Between International Trade and Biotechnology (Conclusion)." Manila Bulletin .

MLA-referens (9:e uppl.)

Tolentino, Francis. "The Precautionary Principle: Closing the Gap Between International Trade and Biotechnology (Conclusion)." Manila Bulletin, .

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.