Ramos, G. A. S. (2001). You've got mail? Anthrax anxiety. Health Beat.
Cita Chicago (17th ed.)Ramos, Glen Ace S. "You've Got Mail? Anthrax Anxiety." Health Beat 2001.
Cita MLA (9th ed.)Ramos, Glen Ace S. "You've Got Mail? Anthrax Anxiety." Health Beat, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.