APA-viite (7. p.)
Clark, D. L. (2016). Nutrient speciation and refractory compounds in water quality models. Water Environment & Reuse Foundation.
Chicago-viite (17. p.)
Clark, David L. Nutrient Speciation and Refractory Compounds in Water Quality Models. Alexandria, Virginia: Water Environment & Reuse Foundation, 2016.
MLA-viite (9. p.)
Clark, David L. Nutrient Speciation and Refractory Compounds in Water Quality Models. Water Environment & Reuse Foundation, 2016.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.