Verma, D. (1987). Manual of monopolies restrictive and unfair trade practices. Tata McGraw Hill Publishing Co. Ltd.
Dyfyniad Arddull ChicagoVerma, D.P.S. Manual of Monopolies Restrictive and Unfair Trade Practices. New Delhi: Tata McGraw Hill Publishing Co. Ltd, 1987.
Dyfyniad MLAVerma, D.P.S. Manual of Monopolies Restrictive and Unfair Trade Practices. Tata McGraw Hill Publishing Co. Ltd, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.