APA (7 वां संस्करण) प्रशस्ति पत्र

Bowles, J. E. (1984). Physical and geotechnical properties of soils (2nd ed.). McGraw-Hill.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Bowles, Joseph E. Physical and Geotechnical Properties of Soils. 2nd ed. New York: McGraw-Hill, 1984.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Bowles, Joseph E. Physical and Geotechnical Properties of Soils. 2nd ed. McGraw-Hill, 1984.