Sen, A. (2016). Iswar Chandra Vidyasagar and his elusive milestones. Permanent Black.
استشهاد بنمط شيكاغوSen, Asok. Iswar Chandra Vidyasagar and His Elusive Milestones. Ranikhet: Permanent Black, 2016.
MLA استشهادSen, Asok. Iswar Chandra Vidyasagar and His Elusive Milestones. Permanent Black, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.