APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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