Chang, Sun-yong, author
Ewha Womans University Press, 2009
Buku Teks
Painter, Clare
OXford University Press, 1989
Buku Teks
Chai, Arlene J., author
Headline Book, 1995
Buku Teks
Williams, Cicely D., author
Oxford University Press, 1976
Buku Teks
Agrina, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2021
Artikel Jurnal