JOHNSON , R. (1967). Structural Concrete R.p. Johnson. McGraw-Hill.
Chicago Style (17th ed.) CitationJOHNSON , R.P. Structural Concrete R.p. Johnson. McGraw-Hill, 1967.
Cita MLAJOHNSON , R.P. Structural Concrete R.p. Johnson. McGraw-Hill, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.