William Clowes & Sons,
Buku Teks
Lowry, Robert
St Leonards Allen & Unwin 1996
Buku Teks
Lowry, Robert
Allen & Unwin, 1996
Buku Teks
Grolier, 1958
Buku Referensi
Department of Defence and Security Indonesia
Department of Defence and Security, 1982
Buku Teks