एपीए उद्धरण

Department of Statistics. (1961). Statistical abstract of Kerala 1959-60.

शिकागो स्टाइल उद्धरण

Department of Statistics. Statistical Abstract of Kerala 1959-60. Department of Statistics, 1961.

एमएलए उद्धरण

Department of Statistics. Statistical Abstract of Kerala 1959-60. 1961.