Fraga, Serafin, author
Elsevier, 1976
Buku Referensi
Fontana, Peter A., author
Academic Press, 1982
Buku Teks
Subrahmanyam, N., author
S. Chand, 1999
Buku Teks
Bransden, Brian H., author
The Benjamin/Cummings , 1983
Buku Teks
Schweitzer, Albert, author
Henry Holt, 1958
Buku Teks