APA (7 वां संस्करण) प्रशस्ति पत्र

Ceylon. Dept. of Industries. (1951). Administration report of the Acting Director of Industries for the years.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ceylon. Dept. of Industries. Administration Report of the Acting Director of Industries for the Years. Colombo, 1951.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Ceylon. Dept. of Industries. Administration Report of the Acting Director of Industries for the Years. 1951.

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