Cita APA (7a ed.)

Royall, D., & Hughes, M. (1990). Computerisation in business. Pitman.

Cita Chicago Style (17a ed.)

Royall, David, y Mike Hughes. Computerisation in Business. London: Pitman, 1990.

Cita MLA (9a ed.)

Royall, David, y Mike Hughes. Computerisation in Business. Pitman, 1990.