Alvarez, Julia
Algonquin Books of Chapel Hill, 1991
Buku Teks
McDermott, John W., author
Waikiki , 1976
Buku Teks
Dowis, Richard, author
[American Management Association, ], 2000
eBooks
Weber, Larry, author
John Wiley & Sons, 2009
Buku Teks
MacDougall, Frances
Bulfinch Press, 2003
Buku Teks