Shakti Gawain, author
Pustaka Delaprata, 2000
Buku Teks
Maltz, Maxwell, 1899-1975, author
Dahara Prize, 2003
Buku Teks
Gaspersz, Vincent, author
Gramedia Pustaka Utama, 2007
Buku Teks
Zelinski, Ernie J., author
PPM, 2006
Buku Teks
Mangan, James T., author
Prentice-Hall, 1963
Buku Teks