Cita APA (7a ed.)

MacDonell, S. G., & Shepperd, M. (2003). Combining techniques to optimize effort predictions in software project management. [s.n.].

Cita Chicago Style (17a ed.)

MacDonell, Stephen G., y Martin Shepperd. Combining Techniques to Optimize Effort Predictions in Software Project Management. [S.l.]: [s.n.], 2003.

Cita MLA (9a ed.)

MacDonell, Stephen G., y Martin Shepperd. Combining Techniques to Optimize Effort Predictions in Software Project Management. [s.n.], 2003.