Sett, Michael J.
University of Hawai'i Press, 2002
Buku Teks
Seth, Michael, author
University of Hawaii Press, 2002
Buku Teks
Ministry of Education & Human Resources Development, Republic of Korea, 2006
Buku Teks
Ministry of Education and National Commission for Unesco, 1962
Buku Teks
Dian Muftia Nur, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia;, 2014
UI - Makalah dan Kertas Kerja