Παραπομπή APA

Sen, A. (2016). Iswar Chandra Vidyasagar and his elusive milestones. Permanent Black.

Παραπομπή Chicago Style

Sen, Asok. Iswar Chandra Vidyasagar and His Elusive Milestones. Ranikhet: Permanent Black, 2016.

Παραπομπή MLA

Sen, Asok. Iswar Chandra Vidyasagar and His Elusive Milestones. Permanent Black, 2016.