توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Duggal, K., & Sharma, H. S. (1987). Scheduled castes & scheduled tribes: A select bibliography. Dept. of Library, Documentation & Information, National Council of Educational Research and Training.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Duggal, Krishna, و H. S. Sharma. Scheduled Castes & Scheduled Tribes: A Select Bibliography. New Delhi: Dept. of Library, Documentation & Information, National Council of Educational Research and Training, 1987.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Duggal, Krishna, و H. S. Sharma. Scheduled Castes & Scheduled Tribes: A Select Bibliography. Dept. of Library, Documentation & Information, National Council of Educational Research and Training, 1987.