Jans, Jan H., author
Europa Law Publishing, 2000
Buku Teks
Kiss, Alexandre Charles, 1925-, author
Grotius Publications, 1993
Buku Referensi
Boner, Roger Alan, author
World Bank, 1993
Buku Teks
Collins, Lawrence, author
Butterworth, 1990
Buku Teks
edited by Mark Meredith
Worldwide Information, 1990
Buku Teks