Lua APA (7ú heag.)

Walling, W. E. (1912). A survey of the world-wide revolutionary movement. New York: The MacMillan Company.

Lua i Stíl Chicago (17ú heag.)

Walling, William English. A Survey of the World-wide Revolutionary Movement. New York: The MacMillan Company, 1912.

Lua MLA (8ú heag.)

Walling, William English. A Survey of the World-wide Revolutionary Movement. New York: The MacMillan Company, 1912.

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