Amelia Suryaningtyas, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Shamsul Amri Baharuddin
Dewan Bahasa dan Pustaka, Kementerian Pelajaran, Malaysia, 1979
Buku Teks
Mahathir bin Mohamad, 1925-, author
Pelanduk Publications, 1998
Buku Teks
Thoburn, John T., author
John Wiley & Sons, 1977
Buku Teks
edited by E.K. Fisk and H. Osman-Rani
Oxford University Press, 1982
Buku Teks