Townsend, C. (1985). PFS, software made easy. Osborne/McGraw-Hill.
Citación estilo ChicagoTownsend, Carl. PFS, Software Made Easy. Berkeley, Calif: Osborne/McGraw-Hill, 1985.
Cita MLATownsend, Carl. PFS, Software Made Easy. Osborne/McGraw-Hill, 1985.
Warning: These citations may not always be 100% accurate.