Παραπομπή APA

Premjith Kayamkulam; Author. (2010). Srinivasa Ramanujan.

Παραπομπή Chicago Style

Premjith Kayamkulam; Author. Srinivasa Ramanujan. Thiruvananthapuram, Chintha Publishers, 2010.

Παραπομπή MLA

Premjith Kayamkulam; Author. Srinivasa Ramanujan. 2010.