Linsley, Trevor
Edward Arnold, , 1993
Buku Teks
Benedict, R. Ralph, author
Prentice-Hall, 1976
Buku Teks
Waard, Hendrik de, author
Addison-Wesley, 1966
Buku Teks
Grob, Bernard, author
McGraw-Hill, 1977
Buku Teks
Mitchell, F. H., author
Addison-Wesley, 1959
Buku Teks