Morash, Ronald P.
Random House, 1987
Buku Teks
Ewen, Dale
Prentice-Hall, 1983
Buku Teks
Wang Jianpan, editor
Gale Asia, Cengage Learning, 2012
Buku Teks SO
edited by Lyn D. English ; associate editors, Maria Bartolini Bussi ... [and others]
Routledge, 2008
Buku Teks SO
Tokyo ISEI 1990,
Buku Teks