APA-čujuhus (7. p.)
Essential of bridge engineering / Victor, D. Johnson: Oxford & IBH 3rd ed (3rd ed.).
Chicago-čujuhus (17. p.)
Essential of Bridge Engineering / Victor, D. Johnson: Oxford & IBH 3rd Ed. 3rd ed.
MLA-čujuhus (9. p.)
Essential of Bridge Engineering / Victor, D. Johnson: Oxford & IBH 3rd Ed. 3rd ed.
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