Drexler, M. (2003). Secret agents: The menace of emerging infections. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Drexler, Madeline. Secret Agents: The Menace of Emerging Infections. New York, N.Y: Penguin Books, 2003.
Lua MLA (9ú heag.)Drexler, Madeline. Secret Agents: The Menace of Emerging Infections. Penguin Books, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.