Socialist Party of New York. Socialist Appeal: Organ of the Socialist Party of New York, Left Wing Branches. New York: Socialist Appeal Publishing Association.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSocialist Party of New York. Socialist Appeal: Organ of the Socialist Party of New York, Left Wing Branches. New York: Socialist Appeal Publishing Association.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSocialist Party of New York. Socialist Appeal: Organ of the Socialist Party of New York, Left Wing Branches. New York: Socialist Appeal Publishing Association.
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