Dahlia, Z., & dahlia_zakaria@yahoo.co.uk. (2010). The effect of waste paper on properties of Polyurethane foam. Universiti Kuala Lumpur (UniKL).
استشهاد بنمط شيكاغوDahlia, Zakaria, and dahlia_zakaria@yahoo.co.uk. The Effect of Waste Paper On Properties of Polyurethane Foam. Universiti Kuala Lumpur (UniKL), 2010.
MLA استشهادDahlia, Zakaria, and dahlia_zakaria@yahoo.co.uk. The Effect of Waste Paper On Properties of Polyurethane Foam. Universiti Kuala Lumpur (UniKL), 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.