Cita APA (7th ed.)

Oglesby, C. H., Parker, H. W., & Howell. Gregory A. (1989). Productivity improvement in construction. McGraw-Hill.

Cita Chicago (17th ed.)

Oglesby, Clarkson H., Henry W. Parker, i Howell. Gregory A. Productivity Improvement in Construction. Boston, MA: McGraw-Hill, 1989.

Cita MLA (8th ed.)

Oglesby, Clarkson H., et al. Productivity Improvement in Construction. McGraw-Hill, 1989.