SINGER, H. Rich And Poor Countries Hans Singer And Javed Asari. George Allen & Unwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGER, Hans. Rich And Poor Countries Hans Singer And Javed Asari. George Allen & Unwin.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSINGER, Hans. Rich And Poor Countries Hans Singer And Javed Asari. George Allen & Unwin.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.