Schoenen, D. (1985). Drinking Water Materials Field Observations And Methods Of Investigation D Schoenen And H.f. Scholer. John Wiley & Sons.
Chicago-referens (17:e uppl.)Schoenen, D. Drinking Water Materials Field Observations And Methods Of Investigation D Schoenen And H.f. Scholer. John Wiley & Sons, 1985.
MLA-referens (8:e uppl.)Schoenen, D. Drinking Water Materials Field Observations And Methods Of Investigation D Schoenen And H.f. Scholer. John Wiley & Sons, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.