Berg, Rene van den, author
Foris Publications, 1989
Buku Teks
Berg, Rene van den, author
Foris Publications, 1989
Buku Teks
Marsden, William, author
Oxford University Press, 1984
Buku Referensi
Kapliwatzky, Jochanan, author
Rubin Mass, 1954
Buku Referensi
Parrot, Martin, author
Cambridge University Press, 2003
Buku Teks