Zilboorg, G. (1939). I won't apologize: Two letters. Privately Printed.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZilboorg, Gregory. I Won't Apologize: Two Letters. New York: Privately Printed, 1939.
एमएलए (8वां संस्करण) प्रशस्ति पत्रZilboorg, Gregory. I Won't Apologize: Two Letters. Privately Printed, 1939.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.