APA (7 वां संस्करण) प्रशस्ति पत्र

South Africa. Dept. of National Health and Population Development. (1991). Civil defence for home and flat dwellers. Dept. of National Health and Population Development.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

South Africa. Dept. of National Health and Population Development. Civil Defence for Home and Flat Dwellers. Pretoria: Dept. of National Health and Population Development, 1991.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

South Africa. Dept. of National Health and Population Development. Civil Defence for Home and Flat Dwellers. Dept. of National Health and Population Development, 1991.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.