Παραπομπή σε μορφή APA (7η εκδ.)

Aftab, B., Khan, S., Maqbool, T., & Hankins, N. (2016). Heavy metals removal by osmotic membrane bioreactor (OMBR) and their effect on sludge properties. Elsevier.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Aftab, B., S. Khan, T. Maqbool, και N. Hankins. Heavy Metals Removal by Osmotic Membrane Bioreactor (OMBR) and Their Effect on Sludge Properties. Elsevier, 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

Aftab, B., et al. Heavy Metals Removal by Osmotic Membrane Bioreactor (OMBR) and Their Effect on Sludge Properties. Elsevier, 2016.