Encyclopaedia Britannica, & Encyclopaedia Britannica. (1960). 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. Chicago: W. Benton.
Citación estilo ChicagoEncyclopaedia Britannica, y Encyclopaedia Britannica. 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. Chicago: W. Benton, 1960.
Cita MLAEncyclopaedia Britannica, y Encyclopaedia Britannica. 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. Chicago: W. Benton, 1960.