Παραπομπή APA

Simpson, A. (1993). Mastering Wordperfect 6 for DOS. BPB publications.

Παραπομπή Chicago Style

Simpson, Alan. Mastering Wordperfect 6 for DOS. New Delhi: BPB publications, 1993.

Παραπομπή MLA

Simpson, Alan. Mastering Wordperfect 6 for DOS. BPB publications, 1993.