Schwartz, P. (1996). The art of the long view: Planning for the future in an uncertain world. John Wiley.
Chicago Style aipamenaSchwartz, Peter. The Art of the Long View: Planning for the Future in an Uncertain World. Chichester: John Wiley, 1996.
MLA aipamenaSchwartz, Peter. The Art of the Long View: Planning for the Future in an Uncertain World. John Wiley, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.