APA aipamena

Salgado, S., & Annan, K. A. (2003). The end of polio: A global effort to end a disease. Bulfinch Press.

Chicago Style aipamena

Salgado, Sebastião, and Kofi A. Annan. The End of Polio: A Global Effort to End a Disease. Boston: Bulfinch Press, 2003.

MLA aipamena

Salgado, Sebastião, and Kofi A. Annan. The End of Polio: A Global Effort to End a Disease. Bulfinch Press, 2003.