Pepperberg, I. M., & Gibson, J. (2008). Alex & me: How a scientist and a parrot uncovered a hidden world of animal intelligence--and formed a deep bond in the process. Harper Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPepperberg, Irene M., और Julia Gibson. Alex & Me: How a Scientist and a Parrot Uncovered a Hidden World of Animal Intelligence--and Formed a Deep Bond in the Process. New York: Harper Audio, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPepperberg, Irene M., और Julia Gibson. Alex & Me: How a Scientist and a Parrot Uncovered a Hidden World of Animal Intelligence--and Formed a Deep Bond in the Process. Harper Audio, 2008.
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