(1980). Marxist Leninist sidhanthathinte adisthanathathwangal.
शिकागो स्टाइल उद्धरणMarxist Leninist Sidhanthathinte Adisthanathathwangal. Thiruvananthapuram, 1980.
एमएलए उद्धरणMarxist Leninist Sidhanthathinte Adisthanathathwangal. 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.