Coba jelasin Lihat juga dari Kontrak di Malaysia dalam bahasa melayu dong

Vishu Sinnadurai, Law of Contract, Third Edition, 2003, Malayan Law Journal Sdn Bhd, ISBN 967-962-445-5

Jeevan Lal Kapur, Pollock & Mulla on Indian Contract and Specific Relief Acts, Ninth Edition, 1972, N. M. Thripathi Private Ltd.