APA (7 वां संस्करण) प्रशस्ति पत्र
Alli, B. O. (2008). Fundamental principles of occupational health and safety (2nd ed.). International Labour Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Alli, B. O. Fundamental Principles of Occupational Health and Safety. 2nd ed. Geneva: International Labour Office, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Alli, B. O. Fundamental Principles of Occupational Health and Safety. 2nd ed. International Labour Office, 2008.
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