The way we work
Macaulay David, Walker RichardKniha
Citace v seznamu literatury:
MACAULAY, David a WALKER, Richard. The way we work: getting to know the amazing human body. Boston: Houghton Mifflin, 2008. ISBN 9780618233786. Dostupné také z: http://www.loc.gov/catdir/enhancements/fy0905/2008025109-b.html.