Best, Florence C.
Buku Teks
editor Kim Ki-Su and Lee Kyung-Mo
Ministry of Culture and Information, 1970
Buku Teks
Kamien, Roger, author
McGraw-Hill, 2011
Buku Teks
Kamien, Roger, author
McGraw-Hill, 1996
Buku Teks
Darnley-Smith, Rachel, author
Sage Publications, 2003
Buku Teks