Harvester Microform (Firm). (1985). Conflict and consensus in British industrial relations, 1916-1948: Selected from PRO Classes Lab 2, Lab 10, Lab 27, Lab 31, Lab 34, PRO 30/69, T1, T162. Harvester Microform.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harvester Microform (Firm). Conflict and Consensus in British Industrial Relations, 1916-1948: Selected from PRO Classes Lab 2, Lab 10, Lab 27, Lab 31, Lab 34, PRO 30/69, T1, T162. Brighton, Sussex, England: Harvester Microform, 1985.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Harvester Microform (Firm). Conflict and Consensus in British Industrial Relations, 1916-1948: Selected from PRO Classes Lab 2, Lab 10, Lab 27, Lab 31, Lab 34, PRO 30/69, T1, T162. Harvester Microform, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.