abdel hady, a. m., omara, a., & vlotman w. f. (2003). An Investigation of clay percentage at abu matamir area for envelope need deremination. drainage research institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रabdel hady, ahmed m., akmal omara, और vlotman w. f. An Investigation of Clay Percentage at Abu Matamir Area for Envelope Need Deremination. cairo: drainage research institute, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रabdel hady, ahmed m., et al. An Investigation of Clay Percentage at Abu Matamir Area for Envelope Need Deremination. drainage research institute, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.