Marks, J. S., & Lavizzo-Mourey, R. (2012). Philadelphia Freedom. Centers for Disease Control and Prevention.
Čikaški stil citiranjaMarks, James S., i Risa Lavizzo-Mourey. Philadelphia Freedom. Centers for Disease Control and Prevention, 2012.
MLA način citiranjaMarks, James S., i Risa Lavizzo-Mourey. Philadelphia Freedom. Centers for Disease Control and Prevention, 2012.
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