Smith, Bonnie G.
D.C. Heath, 1989
Buku Teks SO
edited by Mary Ellen Waithe
Kluwer Academic, 1995
Buku Teks SO
Lee Bae-Yong
Ewha Womans University Press, 2008
Buku Teks
Waxman, Zoe
Oxford University Press, 2017
eBooks
edited by Ann Olga Koloski-Ostrow, Claire L. Lyons
Routledge, 1997
Buku Teks SO