Cita APA (7a ed.)

Coombs, P. (2003). IT project estimation: : a practical guide to the costing of software. Cambridge University Press.

Cita Chicago Style (17a ed.)

Coombs, Paul. IT Project Estimation: : A Practical Guide to the Costing of Software. Cambridge: Cambridge University Press, 2003.

Cita MLA (9a ed.)

Coombs, Paul. IT Project Estimation: : A Practical Guide to the Costing of Software. Cambridge University Press, 2003.