APA (7e ed.) Bronvermelding

Tonica, W. W. (2015). ANALISA KESADAHAN AIR SUMUR DIII TEKNIK KIMIA MENGGUNAKAN WATER DEMINERALIZER (Hardness Analysis of the water wells from DIII Chemical Engineering Using Water Demineralizer).

Chicago (17e ed.) Bronvermelding

Tonica, Widya Wahyu. ANALISA KESADAHAN AIR SUMUR DIII TEKNIK KIMIA MENGGUNAKAN WATER DEMINERALIZER (Hardness Analysis of the Water Wells from DIII Chemical Engineering Using Water Demineralizer). 2015.

MLA (8e ed.) Bronvermelding

Tonica, Widya Wahyu. ANALISA KESADAHAN AIR SUMUR DIII TEKNIK KIMIA MENGGUNAKAN WATER DEMINERALIZER (Hardness Analysis of the Water Wells from DIII Chemical Engineering Using Water Demineralizer). 2015.