Delano, M. F. (2008). Helen's eyes: A photobiography of Annie Sullivan, Helen Keller's teacher. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDelano, Marfe Ferguson. Helen's Eyes: A Photobiography of Annie Sullivan, Helen Keller's Teacher. Washington, D.C.: National Geographic, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDelano, Marfe Ferguson. Helen's Eyes: A Photobiography of Annie Sullivan, Helen Keller's Teacher. National Geographic, 2008.
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