APA引文

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

Chicago Edition Citation

Robkrumm. Wordperfect 4.2 Powertools. MIS Press, 1987.

MLA引文

Robkrumm. Wordperfect 4.2 Powertools. MIS Press, 1987.

警告：這些引文格式不一定是100％准確.