Baca, Murtha
American Library Association, 2006
Buku Teks
Korean Overseas Information Service
Hollym, 2003
Buku Teks
Nicholson, Robert
Robert Nicholson Pub., 1988
Buku Referensi
Herskovits, Melville J. (Melville Jean), 1895-1963
Alfred A. Knopf, 1955
Buku Teks
Herskovits, Melville J. (Melville Jean), 1895-1963
Alfred A. Knopf, 1964
Buku Teks