(1990). Midnight engineering: The journal of personal product development. William E. Gates.
Chicago Style aipamenaMidnight Engineering: The Journal of Personal Product Development. Fort Collins, CO: William E. Gates, 1990.
MLA aipamenaMidnight Engineering: The Journal of Personal Product Development. William E. Gates, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.