APA (7e ed.) Bronvermelding

Alturas, G. S. (1978). An empirical validation of instructional materials on methods of improving water potability.

Chicago (17e ed.) Bronvermelding

Alturas, Gerarda Sale. An Empirical Validation of Instructional Materials on Methods of Improving Water Potability. 1978.

MLA (9e ed.) Bronvermelding

Alturas, Gerarda Sale. An Empirical Validation of Instructional Materials on Methods of Improving Water Potability. 1978.

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