Johnston, H., & Haden-Guest, L. H. (1924). The world of to-day: The marvels of nature and the creations of man. G.P. Putnam's Sons.
Citace podle Chicago (17th ed.)Johnston, Harry, a Leslie Haden Haden-Guest. The World of To-day: The Marvels of Nature and the Creations of Man. New York ; London: G.P. Putnam's Sons, 1924.
Citace podle MLA (8th ed.)Johnston, Harry, a Leslie Haden Haden-Guest. The World of To-day: The Marvels of Nature and the Creations of Man. G.P. Putnam's Sons, 1924.
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