International Society for Horticultural Science. Commission for Urban Horticulture, Thoday, P. R., & Robinson, D. W. (1987). The Scientific management of vegetation in the urban environment: University of Bath, England, July 8-11, 1985. International Society for Horticultural Sciences.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)International Society for Horticultural Science. Commission for Urban Horticulture, P. R. Thoday, và D. W. Robinson. The Scientific Management of Vegetation in the Urban Environment: University of Bath, England, July 8-11, 1985. Wageningen, Netherlands: International Society for Horticultural Sciences, 1987.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)International Society for Horticultural Science. Commission for Urban Horticulture, et al. The Scientific Management of Vegetation in the Urban Environment: University of Bath, England, July 8-11, 1985. International Society for Horticultural Sciences, 1987.