Shelly, C. B. (1992). Complete computer concepts and microcomputer applications: WordPerfect 5.1, Lotus 1-2-3 release 2.2, dBASE IV version 1.1. Boyd & Fraser Pub. Co.
Citação norma ChicagoShelly, Cashman B. Complete Computer Concepts and Microcomputer Applications: WordPerfect 5.1, Lotus 1-2-3 Release 2.2, DBASE IV Version 1.1. Danvers, Mass: Boyd & Fraser Pub. Co, 1992.
Citação norma MLAShelly, Cashman B. Complete Computer Concepts and Microcomputer Applications: WordPerfect 5.1, Lotus 1-2-3 Release 2.2, DBASE IV Version 1.1. Boyd & Fraser Pub. Co, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.