Straits Settlements Blue Book (imports/exports)  1929-1930 vol.81-82  [microform] : 

 - Great Britain :  Public Record Office,  1971 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/> Mengandungi sambungan kepada'Blue Book for the year 1929' dan'Blue Book for the year 1930'.