APA-referens (7:e uppl.)

Royall, D. (1994). Lotus 1-2-3 for Windows to release 4. NTC Pub. Group.

Chicago-referens (17:e uppl.)

Royall, David. Lotus 1-2-3 for Windows to Release 4. Lincolnwood, Ill: NTC Pub. Group, 1994.

MLA-referens (9:e uppl.)

Royall, David. Lotus 1-2-3 for Windows to Release 4. NTC Pub. Group, 1994.