SpringerLink (Online service) & Pechan, P. (2011). Safe or not safe: Deciding what risks to accept in our environment and food. Springer.
Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service) agus Paul Pechan. Safe or Not Safe: Deciding What Risks to Accept in Our Environment and Food. New York: Springer, 2011.
Lua MLA (9ú heag.)SpringerLink (Online service) agus Paul Pechan. Safe or Not Safe: Deciding What Risks to Accept in Our Environment and Food. Springer, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.