(1980). English as a second language / by Christina Bratt Paulston.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEnglish as a Second Language / by Christina Bratt Paulston. 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEnglish as a Second Language / by Christina Bratt Paulston. 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.