English-Teaching Information Center (London) & Corporate Centre for Information on Language Teaching. (1968). Language-teaching abstracts. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEnglish-Teaching Information Center (London) और Corporate Centre for Information on Language Teaching. Language-teaching Abstracts. London: Cambridge University Press, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEnglish-Teaching Information Center (London) और Corporate Centre for Information on Language Teaching. Language-teaching Abstracts. Cambridge University Press, 1968.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.