एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

Oglesby, Clarkson Hill, Henry W. Parker, और Gregory A. Howell. Productivity Improvement in Construction. New York: McGraw-Hill, 1989.

एमएलए उद्धरण

Oglesby, Clarkson Hill, Henry W. Parker, और Gregory A. Howell. Productivity Improvement in Construction. New York: McGraw-Hill, 1989.