APA
Kothari C., . (2004). Research methodology : methods and techniques .-2nd rev ed .-978-81-224-1522-3. New age international, New Delhi: .
Chicago
Kothari C.R, . 2004. Research methodology : methods and techniques .-2nd rev ed .-978-81-224-1522-3. New age international, New Delhi: .
Harvard
Kothari C., . (2004). Research methodology : methods and techniques .-2nd rev ed .-978-81-224-1522-3. New age international, New Delhi: .
MLA
Kothari C.R, . Research methodology : methods and techniques .-2nd rev ed .-978-81-224-1522-3. New age international, New Delhi: . 2004.