Workers' Defense League. Workers defense bulletin: Official monthly organ of the Workers Defense League. The League.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Workers' Defense League. Workers Defense Bulletin: Official Monthly Organ of the Workers Defense League. New York: The League.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Workers' Defense League. Workers Defense Bulletin: Official Monthly Organ of the Workers Defense League. The League.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.