Tiwari, R. S., & Tiwari, R. S. (1991). Palynological evidence for Upper Permian Raniganj coals in western part of Talchar coal field, Orissa, India. Bangalore: Assoc.
استشهاد بنمط شيكاغوTiwari, Rambachan Shyambihari, و Rambachan Shyambihari Tiwari. Palynological Evidence for Upper Permian Raniganj Coals in Western Part of Talchar Coal Field, Orissa, India. Bangalore: Assoc, 1991.
MLA استشهادTiwari, Rambachan Shyambihari, و Rambachan Shyambihari Tiwari. Palynological Evidence for Upper Permian Raniganj Coals in Western Part of Talchar Coal Field, Orissa, India. Bangalore: Assoc, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.