IAWQ International Symposium on Anaerobic Digestion Cape Town, South Africa, International Association on Water Quality, Britz, T. J., & Pohland, F. G. (1995). Anaerobic digestion VII: Proceedings of the IAWQ 7th International Symposium on Anaerobic Digestion, held in Cape Town, South Africa, 23-28 January 1994. Pergamon Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)IAWQ International Symposium on Anaerobic Digestion Cape Town, South Africa, International Association on Water Quality, T. J. Britz, και F. G. Pohland. Anaerobic Digestion VII: Proceedings of the IAWQ 7th International Symposium on Anaerobic Digestion, Held in Cape Town, South Africa, 23-28 January 1994. Oxford: Pergamon Press, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)IAWQ International Symposium on Anaerobic Digestion Cape Town, South Africa, et al. Anaerobic Digestion VII: Proceedings of the IAWQ 7th International Symposium on Anaerobic Digestion, Held in Cape Town, South Africa, 23-28 January 1994. Pergamon Press, 1995.