@book{bono,
author="de Bono, E.",
title="Six thinking hats",
year="1985",
publisher="Little, Brown and Co",
place="Boston",
}

@misc{mindtools,
title="Six Thinking Hats - Looking at a Decision From All Points of View",
author="Manktelow, J.",
publisher="Mind {T}ools Ltd of {S}ignal {H}ouse",
country="United Kingdom",
note="http://www.mindtools.com/pages/article/newTED\_07.htm",
}