Sy. Nur
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1994
UI - Skripsi Membership
Amalia
1996
UI - Skripsi Membership
edited by Ng Tieh Chuan
MPH Group, 2010
Buku Referensi
Chamil Wariya
MPH Group Publishing Sdn Bhd, 2009
Buku Teks SO
Chamil Wariya
Media Global Matrix, 2009
Buku Teks SO