Taufik Rahman
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2013
UI - Skripsi Membership
Rudy T. Erwin
Aksara Baru, 1979
Buku Teks
Huijbers, Theo
Kanisius, 1982
Buku Teks
Huijbers, Theo
Kanisius, 1995
Buku Teks SO
Jaap Hage, Antonia Waltermann, Bram Akkermans, editors
Springer International Publishing, 2017
eBooks