APA (7 वां संस्करण) प्रशस्ति पत्र

(1968). Final report on the survey of the shipping industry: Including arrastre and stevedoring industries. Department of Labor.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Final Report on the Survey of the Shipping Industry: Including Arrastre and Stevedoring Industries. Manila: Department of Labor, 1968.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Final Report on the Survey of the Shipping Industry: Including Arrastre and Stevedoring Industries. Department of Labor, 1968.