Smith, A. F., & Waycaster, C. (2009). Estimate of the direct and indirect annual cost of bacterial conjunctivitis in the United States. BioMed Central.
Citação norma ChicagoSmith, Andrew F., and Curtis Waycaster. Estimate of the Direct and Indirect Annual Cost of Bacterial Conjunctivitis in the United States. BioMed Central, 2009.
MLA引文Smith, Andrew F., and Curtis Waycaster. Estimate of the Direct and Indirect Annual Cost of Bacterial Conjunctivitis in the United States. BioMed Central, 2009.
警告:這些引文格式不一定是100%准確.