Kleon, Austin, author
Noura Books, 2015
Buku Teks
Adler, Bill, author
American Management Association, 2006
eBooks
Poundstone, William, author
Little, Brown, 2012
Buku Teks
Shakespeare, William, 1564-1616, author
Dell, 1959
Buku Teks
Black Dog Publishing Limited, 2008
Buku Teks