Schnaars, S. P. (1989). Where forecasters go wrong. [s.n.].
Cita Chicago Style (17a ed.)Schnaars, Steven P. Where Forecasters Go Wrong. [S.l.]: [s.n.], 1989.
Cita MLA (9a ed.)Schnaars, Steven P. Where Forecasters Go Wrong. [s.n.], 1989.
Precaución: Estas citas no son 100% exactas.