Ketchum, Paul A., author
John Wiley & Sons, 1984
Buku Teks
Teitelbaum, Joel Bern, author
Jones and Bartlett Learning, 2013
Buku Teks
Davies, Michael
Blackstone Press , 1998
Buku Teks
Clark, Mary Jo, author
Appleton & lange , 1999
Buku Teks
Ghaida Mastura, author
2016
UI - Skripsi (Membership)