Schoenen, D. (1985). Drinking Water Materials Field Observations And Methods Of Investigation D Schoenen And H.f. Scholer. John Wiley & Sons.
Chicago (17e ed.) BronvermeldingSchoenen, D. Drinking Water Materials Field Observations And Methods Of Investigation D Schoenen And H.f. Scholer. John Wiley & Sons, 1985.
MLA (8e ed.) BronvermeldingSchoenen, D. Drinking Water Materials Field Observations And Methods Of Investigation D Schoenen And H.f. Scholer. John Wiley & Sons, 1985.
Let op: Deze citaties zijn niet altijd 100% accuraat.