Gaya APA

Buring, D. (2015). Effect of fly ash fortifikation in the manufacture process of making Concrete towards Characteristic of concrete in sulfuric Acid solution (Vol. 19, No. 3, Tahun). : American foundations information service.

Gaya MLA

Buring, Daniel. "Effect of fly ash fortifikation in the manufacture process of making Concrete towards Characteristic of concrete in sulfuric Acid solution". Vol. 19, No. 3, Tahun : American foundations information service, 2015. Text.