The London Geographical Institute. (1940). Daily Express war map of Belgium & Holland. Philip & son.
Chicago-Zitierstil (17. Ausg.)The London Geographical Institute. Daily Express War Map of Belgium & Holland. London: Philip & son, 1940.
MLA-Zitierstil (8. Ausg.)The London Geographical Institute. Daily Express War Map of Belgium & Holland. Philip & son, 1940.
警告:这些引文格式不一定是100%准确.