APA (7 ম সংস্করণ) উদ্ধৃতি

Valchev, D., Ribarova, I., Borisov, B., Radovanov, V., Lyubomirova, V., Kostova, I., . . . Lazarova, S. (2024). Valuable elements in sludge from eight municipal wastewater treatment plants in relation to their recovery potential. SpringerOpen.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Valchev, Dobril, Irina Ribarova, Boyan Borisov, Viden Radovanov, Valentina Lyubomirova, Irina Kostova, Galina Dimova, Orhideya Karpuzova, এবং Svetlana Lazarova. Valuable Elements in Sludge from Eight Municipal Wastewater Treatment Plants in Relation to Their Recovery Potential. SpringerOpen, 2024.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Valchev, Dobril, et al. Valuable Elements in Sludge from Eight Municipal Wastewater Treatment Plants in Relation to Their Recovery Potential. SpringerOpen, 2024.