Παραπομπή σε μορφή APA (7η εκδ.)

Parry, D. L. (2014). Co-digestion of organic waste products with wastewater solids: Final report with economic model. WERF.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Parry, David L. Co-digestion of Organic Waste Products with Wastewater Solids: Final Report with Economic Model. Alexandria, Virginia: WERF, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Parry, David L. Co-digestion of Organic Waste Products with Wastewater Solids: Final Report with Economic Model. WERF, 2014.