India. Department of Labour. (1941). Technical training scheme: Instructions to heads of training centres (Superseding Instructions to principals of technical institutions). Manager, Government of India Press, Simla.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)India. Department of Labour. Technical Training Scheme: Instructions to Heads of Training Centres (Superseding Instructions to Principals of Technical Institutions). Simla: Manager, Government of India Press, Simla, 1941.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)India. Department of Labour. Technical Training Scheme: Instructions to Heads of Training Centres (Superseding Instructions to Principals of Technical Institutions). Manager, Government of India Press, Simla, 1941.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.