Andrerson, James E., author
Addison-Wesley, 1970
Buku Teks
edited by I. Livingstone
Penguin Books, 1971
Buku Teks
Edwards, George C., author
Thomson, 2006
Buku Teks
Edwards, George C., author
Thomson Wadworth, 2006
Buku Teks
edited by Kenneth J. Arrow
M.I.T. Press , 1971
Buku Teks