APA

Haidok P. H., . (1993). Wordperfect-5-1, Lotus 1-2-3--2.2, dBase III Plus. México: McGraw-Hill.

Chicago

Haidok Paul H, . 1993. Wordperfect-5-1, Lotus 1-2-3--2.2, dBase III Plus. México: McGraw-Hill.

Harvard

Haidok P. H., . (1993). Wordperfect-5-1, Lotus 1-2-3--2.2, dBase III Plus. México: McGraw-Hill.

MLA

Haidok Paul H, . Wordperfect-5-1, Lotus 1-2-3--2.2, dBase III Plus. México: McGraw-Hill. 1993.