Não informado. (1948). Educational Review. University of Birminghan, Institute of Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Educational Review. Edinburgh, Inglaterra: University of Birminghan, Institute of Education, 1948.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Educational Review. University of Birminghan, Institute of Education, 1948.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.