Louisiana Tech University. Division of Business and Economic Reasearch. (1973). Research monograph. Division of Business and Economic Research, Louisiana Tech University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLouisiana Tech University. Division of Business and Economic Reasearch. Research Monograph. Ruston: Division of Business and Economic Research, Louisiana Tech University, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLouisiana Tech University. Division of Business and Economic Reasearch. Research Monograph. Division of Business and Economic Research, Louisiana Tech University, 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.