ទំព័រគំរូ:Cite EB1911
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Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press. {{cite encyclopedia}}
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Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press. {{cite encyclopedia}}
: Cite has empty unknown parameter: |coauthors=
(help); Missing or empty |title=
(help)