APA (7e ed.) Bronvermelding

POWELL, S. T. Water conditioning for industry. McGraw-Hill Book Company.

Chicago (17e ed.) Bronvermelding

POWELL, Sheppard T. Water Conditioning for Industry. McGraw-Hill Book Company.

MLA (8e ed.) Bronvermelding

POWELL, Sheppard T. Water Conditioning for Industry. McGraw-Hill Book Company.

Let op: Deze citaties zijn niet altijd 100% accuraat.