APA
Root / Richard K. / Sande Merle A, . (1993). Viral Infections. : CHURCHILL LIVGINGSTONE.
Chicago
Root / Richard K. / Sande Merle A, . 1993. Viral Infections. : CHURCHILL LIVGINGSTONE.
Harvard
Root / Richard K. / Sande Merle A, . (1993). Viral Infections. : CHURCHILL LIVGINGSTONE.
MLA
Root / Richard K. / Sande Merle A, . Viral Infections. : CHURCHILL LIVGINGSTONE. 1993.
