Straits Settlements. Air Services (A) Return of Aircraft Arriving and Departing (B) Air Transport Services (c) Air Ports (Seaplane Bases and Aerodromes) (D) Licences and Certificates (E) Imports and Exports by Air 1932  [microform article]. 

 - Great Britain :  Public Record Office,  1971 
<br/><br/> PTSL : Koleksi Media