Littleton, C. T. (1962). Industrial piping (2nd ed.). McGraw Hill.
Cita Chicago (17th ed.)Littleton, Charles T. Industrial Piping. 2nd ed. New York: McGraw Hill, 1962.
Cita MLA (8th ed.)Littleton, Charles T. Industrial Piping. 2nd ed. McGraw Hill, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.