Gaya APA
Upadhaya, J, L. (2004).
Information retrieval and digital libraries (Ed.2004).
New Delhi:
Shree Publishers & Distributors.
Gaya MLA
Upadhaya, J., L..
"Information retrieval and digital libraries".
Ed.2004
New Delhi:
Shree Publishers & Distributors,
2004.
Text.