APA aipamena

Robkrumm. (1987). Wordperfect 4.2 Powertools. MIS Press.

Chicago Style aipamena

Robkrumm. Wordperfect 4.2 Powertools. MIS Press, 1987.

MLA aipamena

Robkrumm. Wordperfect 4.2 Powertools. MIS Press, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.