APA ציטוט

LeDuc, J. W., & Barry, M. A. (2004). SARS, the First Pandemic of the 21st Century. Centers for Disease Control and Prevention.

Citação norma Chicago

LeDuc, James W., and M. Anita Barry. SARS, the First Pandemic of the 21st Century. Centers for Disease Control and Prevention, 2004.

ציטוט MLA

LeDuc, James W., and M. Anita Barry. SARS, the First Pandemic of the 21st Century. Centers for Disease Control and Prevention, 2004.