एपीए उद्धरण

Kerala. Bureau of Economics and Statistics. (1961). Season and crop report for Kerala state 1957 - 58 and 1958 - 59. Bureau of Economics and Statistics.

शिकागो स्टाइल उद्धरण

Kerala. Bureau of Economics and Statistics. Season and Crop Report for Kerala State 1957 - 58 and 1958 - 59. Thiruvananthapuram: Bureau of Economics and Statistics, 1961.

एमएलए उद्धरण

Kerala. Bureau of Economics and Statistics. Season and Crop Report for Kerala State 1957 - 58 and 1958 - 59. Bureau of Economics and Statistics, 1961.