Neelakanta Sarma Punnasseri Nambi & Neelakanta Sarma, P. N. Jyothisasthra subodhini: Purvakhandam.
Chicago Edition CitationNeelakanta Sarma Punnasseri Nambi and Punnasseri N. Neelakanta Sarma. Jyothisasthra Subodhini: Purvakhandam.
MLA Edition CitationNeelakanta Sarma Punnasseri Nambi and Punnasseri N. Neelakanta Sarma. Jyothisasthra Subodhini: Purvakhandam.
Warning: These citations may not always be 100% accurate.