Li, H. L., & Yu, P. H. (2015). Conversion of waste cooking oils into environmentally friendly biodiesel. Springerplus.
استشهاد بنمط شيكاغوLi, Heidi Lai-ling, و Peter Hoi-fu Yu. "Conversion of Waste Cooking Oils Into Environmentally Friendly Biodiesel." Springerplus 2015.
MLA استشهادLi, Heidi Lai-ling, و Peter Hoi-fu Yu. "Conversion of Waste Cooking Oils Into Environmentally Friendly Biodiesel." Springerplus 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.