Gaya APA

Corporation, L, D. (1989). Lotus 123 release 2.2 : setting up 123, tutorial, wuick star and sample applications . Cambrige: Lotus Development Parkway.

Gaya MLA

Corporation, Lotus, Development. "Lotus 123 release 2.2 : setting up 123, tutorial, wuick star and sample applications". Cambrige: Lotus Development Parkway, 1989. Text.