GROUP, A. (1992). Perhitungan konstruksi beton lantai dua. ARS Group.
Chicago Style (17th ed.) CitationGROUP, ARS. Perhitungan Konstruksi Beton Lantai Dua. ARS Group, 1992.
MLA (8th ed.) CitationGROUP, ARS. Perhitungan Konstruksi Beton Lantai Dua. ARS Group, 1992.
Warning: These citations may not always be 100% accurate.