APA Style
Tiwari, Purushotham. (2009).
Digital Library .
New Delhi:
A.P.H. Publishing Corporation.
Chicago Style
Tiwari, Purushotham.
Digital Library.
New Delhi:
A.P.H. Publishing Corporation,
2009.
.
MLA Style
Tiwari, Purushotham.
Digital Library.
New Delhi:
A.P.H. Publishing Corporation,
2009.
.
Turabian Style
Tiwari, Purushotham.
Digital Library.
New Delhi:
A.P.H. Publishing Corporation,
2009.
.