APA aipamena

(1981). Business system buyer's guide. California: OSBORNE/ McGraw- Hill.

Chicago Style aipamena

Business System Buyer's Guide. California: OSBORNE/ McGraw- Hill, 1981.

MLA aipamena

Business System Buyer's Guide. California: OSBORNE/ McGraw- Hill, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.