Walling, W. E. (1916). The Socialism of to-day: A source-book of the present position and recent development of the socialist and labor parties in all countries, consisting mainly of original documents. H. Holt and Company.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Walling, William English. The Socialism of To-day: A Source-book of the Present Position and Recent Development of the Socialist and Labor Parties in All Countries, Consisting Mainly of Original Documents. New York: H. Holt and Company, 1916.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Walling, William English. The Socialism of To-day: A Source-book of the Present Position and Recent Development of the Socialist and Labor Parties in All Countries, Consisting Mainly of Original Documents. H. Holt and Company, 1916.
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