Cita APA

Connell, J. L., & Shafer, L. (1987). The professional user's guide to acquiring software. Van Nostrand Reinhold.

Citación estilo Chicago

Connell, John L., and Linda Shafer. The Professional User's Guide to Acquiring Software. New York: Van Nostrand Reinhold, 1987.

Cita MLA

Connell, John L., and Linda Shafer. The Professional User's Guide to Acquiring Software. Van Nostrand Reinhold, 1987.