Saudagar Singh Kernail Singh. (1999). The Dadah problem and its management: A review of Dadah Prevention and Control Policies, 1983-1994.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Saudagar Singh Kernail Singh. The Dadah Problem and Its Management: A Review of Dadah Prevention and Control Policies, 1983-1994. 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Saudagar Singh Kernail Singh. The Dadah Problem and Its Management: A Review of Dadah Prevention and Control Policies, 1983-1994. 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.