Encyclopaedia Britannica, Rand McNally and company, & Hudson, G. D. (1954). Encyclopaedia Britannica world atlas: World distributions and world political geography, political-physical maps, geographical summaries, geographical comparisons, glossary of geographical terms, index to political-physical maps (Unabridged.). [s.n.].
Cita Chicago (17th ed.)Encyclopaedia Britannica, Rand McNally and company, i George Donald Hudson. Encyclopaedia Britannica World Atlas: World Distributions and World Political Geography, Political-physical Maps, Geographical Summaries, Geographical Comparisons, Glossary of Geographical Terms, Index to Political-physical Maps. Unabridged. Chicago: [s.n.], 1954.
Cita MLA (9th ed.)Encyclopaedia Britannica, et al. Encyclopaedia Britannica World Atlas: World Distributions and World Political Geography, Political-physical Maps, Geographical Summaries, Geographical Comparisons, Glossary of Geographical Terms, Index to Political-physical Maps. Unabridged. [s.n.], 1954.