Gaya APA
Nagrath, I., Gopal, M.
(1984).
Systems: modelling and analysis
.
New Delhi:
Tata McGraw-Hill Publishing.
Gaya MLA
Nagrath, IJ.., Gopal, M..
"Systems: modelling and analysis".
New Delhi:
Tata McGraw-Hill Publishing,
1984.
Printed Book.