Mott, Graham
Invesment apprasial
Pitman, 1997
Buku Teks
The Science of Invesment
Buku Teks
Indonesian invesment and trading opprtunity
Departmen of Home Affairs ot the Republic Indonesia, 2008
Buku Referensi
Hudson, Alastair
The law on invesment entities
Sweet & Maxwell, 2000
Buku Teks
McDaniels, John F.
International financing and invesment
The World Community Association, 1964
Buku Teks SO