Gaya APA
Tyring, S, K. (2005).
Antiviral Agents,. Vaccines, and Immunotherapies .
United States of America:
CRC Press.
Gaya MLA
Tyring, Stephen, K.
"Antiviral Agents,. Vaccines, and Immunotherapies".
United States of America:
CRC Press,
2005.
eBooks.