APA-viite (7. p.)
Hughes, B. P. (1976). Limit state theory for reinforced concrete design: SI units (2nd ed.). Pitman.
Chicago-viite (17. p.)
Hughes, B. P. Limit State Theory for Reinforced Concrete Design: SI Units. 2nd ed. London: Pitman, 1976.
MLA-viite (9. p.)
Hughes, B. P. Limit State Theory for Reinforced Concrete Design: SI Units. 2nd ed. Pitman, 1976.
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