Novisti Press, [date of publication not identified]
Buku Teks
Whiteside, inc., and W. Morrow , 1956
Buku Teks
Foreign Languages Pub. House, 1959
Buku Teks
Stone, Florence M., author
[American Management Association, ], 2003
eBooks
Powell, Anthony, 1905-2000, author
Flamingo, 1983
Buku Teks