Gandhi Peace Foundation (New Delhi, India), & National Labour Institute (India). (1979). National survey on the incidence of bonded labour: Preliminary report : an action research project of Gandhi Peace Foundation, National Labour Institute. The Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gandhi Peace Foundation (New Delhi, India), و National Labour Institute (India). National Survey on the Incidence of Bonded Labour: Preliminary Report : An Action Research Project of Gandhi Peace Foundation, National Labour Institute. New Delhi: The Institute, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gandhi Peace Foundation (New Delhi, India), و National Labour Institute (India). National Survey on the Incidence of Bonded Labour: Preliminary Report : An Action Research Project of Gandhi Peace Foundation, National Labour Institute. The Institute, 1979.