APA-referens (7:e uppl.)

Hulle Stijn WH van, Verstraete Jonathan, Hogie Joel, Dejans Pascal, Dumoulin Ann, & African Water Research Commission. Modelling and simulation of a nitrification biofilter for drinking water purification.

Chicago-referens (17:e uppl.)

Hulle Stijn WH van, Verstraete Jonathan, Hogie Joel, Dejans Pascal, Dumoulin Ann, och African Water Research Commission. Modelling and Simulation of a Nitrification Biofilter for Drinking Water Purification.

MLA-referens (9:e uppl.)

Hulle Stijn WH van, et al. Modelling and Simulation of a Nitrification Biofilter for Drinking Water Purification.

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