एपीए उद्धरण

(1990). Report of gross fixed capital formation in Kerala 1980-81 to 1985-86. Directorate of Economics statistic.

शिकागो स्टाइल उद्धरण

Report of Gross Fixed Capital Formation in Kerala 1980-81 to 1985-86. Trivandrum: Directorate of Economics statistic, 1990.

एमएलए उद्धरण

Report of Gross Fixed Capital Formation in Kerala 1980-81 to 1985-86. Directorate of Economics statistic, 1990.