APA aipamena

 Siegel, M. (2006).  Bird flu: Everything you need to know about the next pandemic.  John Wiley & Sons.

Chicago Style aipamena

 Siegel, Marc.  Bird Flu: Everything You Need to Know About the Next Pandemic.  John Wiley & Sons, 2006.

MLA aipamena

 Siegel, Marc.  Bird Flu: Everything You Need to Know About the Next Pandemic.  John Wiley & Sons, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.