एपीए उद्धरण

Krishna Pillai, N. (1981). Investment. Kerala Sahitya Akademi.

शिकागो स्टाइल उद्धरण

Krishna Pillai, N. Investment. Trichur: Kerala Sahitya Akademi, 1981.

एमएलए उद्धरण

Krishna Pillai, N. Investment. Kerala Sahitya Akademi, 1981.