Lua APA (7ú heag.)

The London Geographical Institute. (1940). Daily Express war map of Belgium & Holland. Philip & son.

Lua i Stíl Chicago (17ú heag.)

The London Geographical Institute. Daily Express War Map of Belgium & Holland. London: Philip & son, 1940.

Lua MLA (8ú heag.)

The London Geographical Institute. Daily Express War Map of Belgium & Holland. Philip & son, 1940.

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