Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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