French, Thomas Ewing, 1871-1944, author
McGraw-Hill, 1978
Buku Teks
Maguire, D.E. (Dennis E.)
Hodder & Stoughton, 1988
Buku Teks
Prentice-Hall, 1997
Buku Teks
Rising, James S., author
Brown, 1964
Buku Teks
French, Thomas Ewing, 1871-1944
McGraw - Hill , 1960
Buku Teks