APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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