Vitiation of contracts/  international contractual principles and english law 
Spark,Garbeth 
 - 1st.e.d 
 - Cambridge:  Cambridge university press,  2013. 
 - 335 
<br/><br/><label>ISBN: </label>9781107031784 
<br/><br/><label>Dewey Class. No.: </label>346.022  / SPA/V