APA (7 वां संस्करण) प्रशस्ति पत्र

Singapore. Ministry of Labour. (1975). Accident prevention in the shipbuilding and repairing industry. Ministry of Labour.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Singapore. Ministry of Labour. Accident Prevention in the Shipbuilding and Repairing Industry. [Singapore]: Ministry of Labour, 1975.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Singapore. Ministry of Labour. Accident Prevention in the Shipbuilding and Repairing Industry. Ministry of Labour, 1975.