Cita APA (7th ed.)
Hughes, B. P. (1976). Limit state theory for reinforced concrete design: SI units (2nd ed.). Pitman.
Cita Chicago (17th ed.)
Hughes, B. P. Limit State Theory for Reinforced Concrete Design: SI Units. 2nd ed. London: Pitman, 1976.
Cita MLA (9th ed.)
Hughes, B. P. Limit State Theory for Reinforced Concrete Design: SI Units. 2nd ed. Pitman, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.