एपीए उद्धरण

Dr Vijay Agrawal. Time Management for Students. DC Books.

शिकागो स्टाइल उद्धरण

Dr Vijay Agrawal. Time Management for Students. Kottayam: DC Books.

एमएलए उद्धरण

Dr Vijay Agrawal. Time Management for Students. DC Books.