الگو:Cite EB1911
Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (به انگلیسی) (11th ed.). Cambridge University Press. {{cite encyclopedia}}: Missing or empty |title= (help)
Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (به انگلیسی) (11th ed.). Cambridge University Press.
{{cite encyclopedia}}: Missing or empty |title= (help)