Carlor, Manuel L.
Frederick A. Praeger, 1974
Buku Teks SO
Ministry of Education & Human Resources Development, Republic of Korea, 2006
Buku Teks
edited by Yat-hoong Yip
Regional Institute of Higher Education and Development, 1972
Buku Teks
Scott Ian
The John Hopkins University Press , 1982
Buku Teks SO
Anggitha Fikra Putri Almi
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2021
UI - Makalah dan Kertas Kerja