United States Steel Corporation. (1955). 100 years west of 100 degrees: A prologue of western industry. Author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States Steel Corporation. 100 Years West of 100 Degrees: A Prologue of Western Industry. Los Angeles, Calif.: Author, 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States Steel Corporation. 100 Years West of 100 Degrees: A Prologue of Western Industry. Author, 1955.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.