Leo, Y. S., Chow, A. L., Tan, L. K., Lye, D. C., Lin, L., & Ng, L. C. (2009). Chikungunya Outbreak, Singapore, 2008. Centers for Disease Control and Prevention.
Citação norma ChicagoLeo, Yee S., Angela L.P Chow, Li Kiang Tan, David C. Lye, Li Lin, and Lee C. Ng. Chikungunya Outbreak, Singapore, 2008. Centers for Disease Control and Prevention, 2009.
MLA CitationLeo, Yee S., et al. Chikungunya Outbreak, Singapore, 2008. Centers for Disease Control and Prevention, 2009.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.