Reid, J. H. Stewart
Longmans, Green and Co. , 1959
Buku Teks
Hutheesing, Raja
Orient Longmans,, 1960
Buku Teks
Hamilton, Mark
Neo-tech books, 2000
Buku Teks
Ministry of Foreign Affairs Malaysia, 1967
Buku Teks
Asean National Secreatriat
Asean National Secretariat. Department of Foreign Affairs Republic of Indonesia, [date of publication not identified]
Buku Referensi