Weinstein, L. (2012). Guesstimation 2.0: Solving today's problems on the back of a napkin. Princeton University Press.
Čikaški stil citiranjaWeinstein, Lawrence. Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin. Princeton, N.J.: Princeton University Press, 2012.
MLA način citiranjaWeinstein, Lawrence. Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin. Princeton University Press, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.