APA-viite (7. p.)

Tolentino, F. The precautionary principle: Closing the gap between international trade and biotechnology(4). IN Views. Manila Bulletin.

Chicago-viite (17. p.)

Tolentino, Francis. "The Precautionary Principle: Closing the Gap Between International Trade and Biotechnology(4). IN Views." Manila Bulletin .

MLA-viite (9. p.)

Tolentino, Francis. "The Precautionary Principle: Closing the Gap Between International Trade and Biotechnology(4). IN Views." Manila Bulletin, .