Gaya APA

Stewart, H, B. (1989). Recollecting the Future a View of Business, Technology, andrn Innovation in the Next 30 Years . Amerika: Dow Jones-irwin.

Gaya MLA

Stewart, Hugh, B.. "Recollecting the Future a View of Business, Technology, andrn Innovation in the Next 30 Years". Amerika: Dow Jones-irwin, 1989. Text.