Pakistan. Water and Power Development Authority & Piracha, Z. A. (1989). Experimental buried pipe water distribution system: An interim report. Mona Reclamation Experimental Project, P. & I. Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pakistan. Water and Power Development Authority و Zahir Ahmad Piracha. Experimental Buried Pipe Water Distribution System: An Interim Report. Bhalwal: Mona Reclamation Experimental Project, P. & I. Organization, 1989.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pakistan. Water and Power Development Authority و Zahir Ahmad Piracha. Experimental Buried Pipe Water Distribution System: An Interim Report. Mona Reclamation Experimental Project, P. & I. Organization, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.