Muchie. Innovation For Sustainability. Africa Institute of South Africa.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMuchie. Innovation For Sustainability. Africa Institute of South Africa.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMuchie. Innovation For Sustainability. Africa Institute of South Africa.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.