Wickens, Christopher D., author
HarperCollins Publishers , 1992
Buku Teks
Purcell, Theodore Vincent, author
Harvard University Press , 1960
Buku Teks
edited by Masahiko Aoki and Ronald Dore
Oxford University Press, 1994
Buku Teks
Norcross, Harold, author
Pan Books, 1971
Buku Teks
Hahn, Elliott J., author
Quorum Books, 1984
Buku Teks