Workers' Defense League. Workers defense bulletin: Official monthly organ of the Workers Defense League. The League.
Chicago Style (17th ed.) CitationWorkers' Defense League. Workers Defense Bulletin: Official Monthly Organ of the Workers Defense League. New York: The League.
Cita MLAWorkers' Defense League. Workers Defense Bulletin: Official Monthly Organ of the Workers Defense League. The League.
Atenció: Aquestes cites poden no estar 100% correctes.