National Drainage Symposium Chicago, Ill., & American Society of Agricultural Engineers. (1982). Advances in drainage: Proceedings of the Fourth National Drainage Symposium, December 13-14, 1982, Palmer House, Chicago, Illinois. American Society of Agricultural Engineers.
Citace podle Chicago (17th ed.)National Drainage Symposium Chicago, Ill., a American Society of Agricultural Engineers. Advances in Drainage: Proceedings of the Fourth National Drainage Symposium, December 13-14, 1982, Palmer House, Chicago, Illinois. St. Joseph, Mich.: American Society of Agricultural Engineers, 1982.
Citace podle MLA (8th ed.)National Drainage Symposium Chicago, Ill., a American Society of Agricultural Engineers. Advances in Drainage: Proceedings of the Fourth National Drainage Symposium, December 13-14, 1982, Palmer House, Chicago, Illinois. American Society of Agricultural Engineers, 1982.