APA Style
Biswas, S.B, Biswas, Amita. (1976).
An introduction viruses .
New Delhi:
Vikas publishing house PVT.
Chicago Style
Biswas, S.B, Biswas, Amita.
An introduction viruses.
New Delhi:
Vikas publishing house PVT,
1976.
print.
MLA Style
Biswas, S.B, Biswas, Amita.
An introduction viruses.
New Delhi:
Vikas publishing house PVT,
1976.
print.
Turabian Style
Biswas, S.B, Biswas, Amita.
An introduction viruses.
New Delhi:
Vikas publishing house PVT,
1976.
print.