Παραπομπή σε μορφή APA (7η εκδ.)
UNEP & UNEP. (2008). Municipal wastewater treatment plants in Mediterranean coastal cities: Inentory of treatment plants in cities of between 2.000 and 10.000 inhabitants. UNEP.
Παραπομπή σε μορφή Chicago (17η εκδ.)
UNEP και UNEP. Municipal Wastewater Treatment Plants in Mediterranean Coastal Cities: Inentory of Treatment Plants in Cities of Between 2.000 and 10.000 Inhabitants. UNEP, 2008.
Παραπομπή σε μορφή MLA (9th εκδ.)
UNEP και UNEP. Municipal Wastewater Treatment Plants in Mediterranean Coastal Cities: Inentory of Treatment Plants in Cities of Between 2.000 and 10.000 Inhabitants. UNEP, 2008.
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