Stone, Richard
      
      
         Blackstone Press, 1996
       Buku Referensi
   
Dawson, John Philip
      
      
         Foundation Press, 1969
       Buku Teks
   
McKendrick, Ewan
      
      
         Oxford University Press, 2012
       Buku Teks
   
McKendrick, Ewan
      
      
         Oxford University Press, 2012
       Buku Teks SO
   
McKendrick, Ewan
      
      
         Oxford University Press, 2012
       Buku Teks SO