Saya mau tau Lihat pula dari Sup sirip hiu

Baum J.K., Myers R.A., Kehler D.G., Worm B., Harley S.J., Doherty P.A. (2003) — Collapse and Conservation of Shark Populations in the Northwest Atlantic. Science, 5605: 389–392.

Shark Truth   – a grassroots nonprofit dedicated to promoting awareness, education and action about shark fin soup in the Chinese community