Gaya APA
Aggarwal, J, C. (2002).
Essentials of examination system : evaluation, tests and measurement .
New Delhi:
Vikas Publishing House PVT LTD.
Gaya MLA
Aggarwal, J., C..
"Essentials of examination system : evaluation, tests and measurement".
New Delhi:
Vikas Publishing House PVT LTD,
2002.
Text.