Keown, Damien
Martin Press , 1995
Buku Teks
Mohamed Yusoff Ismail, author
Institute of Southeast Asia Studies , 1993
Buku Teks
Vandenhoeck & Ruprecht, 1978
Buku Teks
New York : Vintage Book, 1969
Buku Teks
Soothill, W.E. (William Edward), author
Motilal Banarsidass Publishers Private Limites, 1937
Buku Referensi