Simpson, A. (1993). Mastering WordPerfect 6. Sybex.
Citación estilo ChicagoSimpson, Alan. Mastering WordPerfect 6. San Francisco: Sybex, 1993.
Cita MLASimpson, Alan. Mastering WordPerfect 6. Sybex, 1993.
Warning: These citations may not always be 100% accurate.