Structural Engineering Institute & American Society of Civil Engineers. (1999). Specifications for structural steel beams with web openings. American Society of Civil Engineers.
Chicago Style (17. basım) AtıfStructural Engineering Institute ve American Society of Civil Engineers. Specifications for Structural Steel Beams with Web Openings. Reston, Va: American Society of Civil Engineers, 1999.
MLA (9th ed.) AtıfStructural Engineering Institute ve American Society of Civil Engineers. Specifications for Structural Steel Beams with Web Openings. American Society of Civil Engineers, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..