Tolman, W. H. (1909). Social engineering: A record of things done by American industrialists employing upwards of one and one-half million of people. McGraw pub. co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTolman, William Howe. Social Engineering: A Record of Things Done by American Industrialists Employing Upwards of One and One-half Million of People. New York: McGraw pub. co., 1909.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTolman, William Howe. Social Engineering: A Record of Things Done by American Industrialists Employing Upwards of One and One-half Million of People. McGraw pub. co., 1909.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.