APA (7 वां संस्करण) प्रशस्ति पत्र
Callus, A. (2013). Becoming self-advocates: People with intellectual disability seeking a voice. Peter Lang.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Callus, Anne-Marie. Becoming Self-advocates: People with Intellectual Disability Seeking a Voice. New York: Peter Lang, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Callus, Anne-Marie. Becoming Self-advocates: People with Intellectual Disability Seeking a Voice. Peter Lang, 2013.
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