^ 6.06.1Sharon J. Smith. The Young Activist's Guide to Building a Green Movement and Changing the World. Random House. 22 February 2011: 117. ISBN 978-1-60774-016-2.
^Mark Andersen; Mark Jenkins. Dance of Days: Two Decades of Punk in the Nation's Capital. Akashic Books. 2003: 170. ISBN 978-1-888451-44-3.