Oglesby, C. (1989). Productivity Improvement In Construction Clarkson H. Oglesby, Henry W. Parker, Gregory A. Howell. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOglesby, Clarkson. Productivity Improvement In Construction Clarkson H. Oglesby, Henry W. Parker, Gregory A. Howell. McGraw-Hill, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOglesby, Clarkson. Productivity Improvement In Construction Clarkson H. Oglesby, Henry W. Parker, Gregory A. Howell. McGraw-Hill, 1989.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.