Things I have learned in my life so far
Sagmeister Stefan, Heller Steven, Nettle Daniel, Spector NancyKniha
Citace v seznamu literatury:
SAGMEISTER, Stefan; HELLER, Steven; NETTLE, Daniel a SPECTOR, Nancy. Things I have learned in my life so far. New York: Abrams, 2008. ISBN 9780810995291. Dostupné také z: http://www.loc.gov/catdir/enhancements/fy0801/2007025775-d.html.