GURKI, J. T. S. (2004). Beton Bertulang (edisi revisi). Rekayasa Sains.
Chicago Style (17th ed.) CitationGURKI, J. Thambah Sembiring. Beton Bertulang (edisi Revisi). Rekayasa Sains, 2004.
MLA (8th ed.) CitationGURKI, J. Thambah Sembiring. Beton Bertulang (edisi Revisi). Rekayasa Sains, 2004.
Warning: These citations may not always be 100% accurate.