Smith, B.J.
Longman, 1971
Buku Teks
Temkin, Samuel
John Wiley & Sons, 1981
Buku Teks
Randall, Robert H.
London: Addison Wesley, 1951
Buku Teks
by Lawrence E. Kinsler [and others]
John Wiley & Sons, 1982
Buku Teks
Lord, Peter
E&FN Spon, 1996
Buku Referensi