Velayudhan Pillai,P.V. (1989). Aswasthathayude nirabhedangal. Poorna Publications.
Chicago Edition CitationVelayudhan Pillai,P.V. Aswasthathayude Nirabhedangal. Kozhikode: Poorna Publications, 1989.
MLA Edition CitationVelayudhan Pillai,P.V. Aswasthathayude Nirabhedangal. Poorna Publications, 1989.
Warning: These citations may not always be 100% accurate.