Pollack, B., & Stein, G. (1962). The collectors: Dr. Claribel and Miss Etta Cone / by Barbara Pollack. With a portrait by Gertrude Stein. Bobbs-Merrill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPollack, Barbara, और Gertrude Stein. The Collectors: Dr. Claribel and Miss Etta Cone / by Barbara Pollack. With a Portrait by Gertrude Stein. Indianapolis, Ind. [u.a.]: Bobbs-Merrill, 1962.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPollack, Barbara, और Gertrude Stein. The Collectors: Dr. Claribel and Miss Etta Cone / by Barbara Pollack. With a Portrait by Gertrude Stein. Bobbs-Merrill, 1962.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.