Kirkman, R. (2015). Invincible (2003), volume 13: Growing pains (Collected.). Image Comics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKirkman, Robert. Invincible (2003), Volume 13: Growing Pains. Collected. Cleveland: Image Comics, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKirkman, Robert. Invincible (2003), Volume 13: Growing Pains. Collected. Image Comics, 2015.
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