Παραπομπή σε μορφή APA (7η εκδ.)

Commission of the European Communities. Environment Research Program, Bruce, A. M., Κουζέλη-Κατσίρη, Α., & Newman, P. J. (1986). Anaerobic digestion of sewage sludge and organic agricultural wastes. Elsevier Applied Science.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Commission of the European Communities. Environment Research Program, A. M. Bruce, Α Κουζέλη-Κατσίρη, και P. J. Newman. Anaerobic Digestion of Sewage Sludge and Organic Agricultural Wastes. London: Elsevier Applied Science, 1986.

Παραπομπή σε μορφή MLA (9th εκδ.)

Commission of the European Communities. Environment Research Program, et al. Anaerobic Digestion of Sewage Sludge and Organic Agricultural Wastes. Elsevier Applied Science, 1986.