McIntosh, Perry, author
[American Management Association;, ], 2011
eBooks
Tennant-Smith, J., author
Nelson, 1971
Buku Teks
Moonman, Eric, author
Pan Books, 1971
Buku Teks
Zhuo, Julie, author
Penguin, 2019
Buku Teks
Stewart, Rosemary, author
Prentice-Hall, 1982
Buku Teks