Kronmiller, Theodore G.
Oceana Publications, Inc, 1980
Buku Teks
Mahmoudi, Said
Almqvist & Wiksel International, 1987
Buku Teks
Ferrara, Pablo, author
Academia Nacional de Derecho y Ciencias Sociales de Buenos Aires, 2013
Buku Teks
The Royal Society, 1978
Buku Teks
Anand, R.P.
Thomson Press Limited, 1975
Buku Teks