PEPPERS DON. (1996). ONE TO ONE FUTURE. DOUBLEDAY.
Chicago Style aipamenaPEPPERS DON. ONE TO ONE FUTURE. NEW YORK: DOUBLEDAY, 1996.
MLA aipamenaPEPPERS DON. ONE TO ONE FUTURE. DOUBLEDAY, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.