International Symposium on Anaerobic Digestion Cardiff, Wales, Hughes, D. E., Stafford, D. A., & Wheatley, B. I. (1980). Anaerobic digestion: Proceedings of the First International Symposium on Anaerobic Digestion held at University College, Cardiff, Wales, September 1979. Applied Science.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումInternational Symposium on Anaerobic Digestion Cardiff, Wales, David Edward Hughes, David A. Stafford, and B. I. Wheatley. Anaerobic Digestion: Proceedings of the First International Symposium on Anaerobic Digestion Held at University College, Cardiff, Wales, September 1979. London: Applied Science, 1980.
MLA (8րդ խմբ.) ՄեջբերումInternational Symposium on Anaerobic Digestion Cardiff, Wales, et al. Anaerobic Digestion: Proceedings of the First International Symposium on Anaerobic Digestion Held at University College, Cardiff, Wales, September 1979. Applied Science, 1980.