India. Central Statistical Organisation. (1977). Annual survey of industries: Kerala state 1973 - 74. Bureau of economics and statistics.
استشهاد بنمط شيكاغوIndia. Central Statistical Organisation. Annual Survey of Industries: Kerala State 1973 - 74. Trivandrum: Bureau of economics and statistics, 1977.
MLA استشهادIndia. Central Statistical Organisation. Annual Survey of Industries: Kerala State 1973 - 74. Bureau of economics and statistics, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.