Arkesteijn, R. (2008). Codex Spero: Nancy Spero ; Selected Writings and Interviews 1950 - 2008 / Edited by Roel Arkesteijn. Roma Publ. [u.a.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArkesteijn, Roel. Codex Spero: Nancy Spero ; Selected Writings and Interviews 1950 - 2008 / Edited by Roel Arkesteijn. Amsterdam: Roma Publ. [u.a.], 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रArkesteijn, Roel. Codex Spero: Nancy Spero ; Selected Writings and Interviews 1950 - 2008 / Edited by Roel Arkesteijn. Roma Publ. [u.a.], 2008.
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