APA aipamena

Hoover, R. E. (1984). Executive's guide to online information services. Knowledge Industry Publications.

Chicago Style aipamena

Hoover, Ryan E. Executive's Guide to Online Information Services. White Plains, N.Y: Knowledge Industry Publications, 1984.

MLA aipamena

Hoover, Ryan E. Executive's Guide to Online Information Services. Knowledge Industry Publications, 1984.