Gaya APA

BEASMAN, L, E., McCUEN, R, H. (2011). Estimating the distribution of air voids in concrete . Surabaya: Petra Christian University-Surabaya, Indonwsia.

Gaya MLA

BEASMAN, L., E.., McCUEN, R., H.. "Estimating the distribution of air voids in concrete". Surabaya: Petra Christian University-Surabaya, Indonwsia, 2011. Artikel.