Gaya APA

Nasional, B, S. (2012). Metode uji angka beton keras (ASTM C 805-02, IDT) . Jakarta: South-Western College Publishing.

Gaya MLA

Nasional, Badan, Standarisasi. "Metode uji angka beton keras (ASTM C 805-02, IDT)". Jakarta: South-Western College Publishing, 2012. Text.