Artikel Jurnal
edited by Naoki Yoshihara
Trans Pacific Press, 2012
Buku Teks
Charissa Sakina, author
2018
UI - Makalah dan Kertas Kerja
Heriyanto, author
Program Pascasarjana Universitas Indonesia, 2008
UI - Tesis (Open)
Kovacs, M.L.
McGraw-Hill, 1975
Buku Teks