Rose, Frank, author
W. W. Norton & Company, 2011
Buku Teks
Barrett, John, author
Allen & Unwin, 1995
Buku Teks
Campbell, Paul B., author
Himmat Publications Trust , 1970
Buku Teks
Schwartz, Alvin, author
Harper Trophy, 1981
Buku Teks
Schwartz, Alvin, author
Harper Trophy, 1984
Buku Teks