एपीए उद्धरण

Kerala State Planning Board. (1981). Sixth five year plan 1980-85.

शिकागो स्टाइल उद्धरण

Kerala State Planning Board. Sixth Five Year Plan 1980-85. 1981.

एमएलए उद्धरण

Kerala State Planning Board. Sixth Five Year Plan 1980-85. 1981.