Omar, Syed Othman Syed
Universitas Kebangsaan Malaysia, 1999
Buku Teks
Ahmad Ridzuan Bin Wan Chik, author
Utusan Publications & Distributors, 2011
Buku Referensi
Gullick, J M
Ernest Benn, 1969
Buku Teks
Gullick, J M
Ernest Benn, 1969
Buku Teks
Gita Nadya Herdiani, author
2012
UI - Tesis Open