APA-čujuhus (7. p.)
Parry, D. L. (2014). Co-digestion of organic waste products with wastewater solids: Final report with economic model. WERF.
Chicago-čujuhus (17. p.)
Parry, David L. Co-digestion of Organic Waste Products with Wastewater Solids: Final Report with Economic Model. Alexandria, Virginia: WERF, 2014.
MLA-čujuhus (9. p.)
Parry, David L. Co-digestion of Organic Waste Products with Wastewater Solids: Final Report with Economic Model. WERF, 2014.
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