Livingston, G., & Jenner, J. (2005). Too soon old too late smart: Thirty true things you need to know now (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLivingston, Gordon, और James Jenner. Too Soon Old Too Late Smart: Thirty True Things You Need to Know Now. Unabridged. Prince Frederick: Recorded Books Inc., 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLivingston, Gordon, और James Jenner. Too Soon Old Too Late Smart: Thirty True Things You Need to Know Now. Unabridged. Recorded Books Inc., 2005.
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