APA
National House Building Council, . (1986). Supplement to Practice Note 3 (1985) Building Near Trees : a quick way to find the right depth of foundations on clay soils. London: National House-Building Council.
Chicago
National House Building Council, . 1986. Supplement to Practice Note 3 (1985) Building Near Trees : a quick way to find the right depth of foundations on clay soils. London: National House-Building Council.
Harvard
National House Building Council, . (1986). Supplement to Practice Note 3 (1985) Building Near Trees : a quick way to find the right depth of foundations on clay soils. London: National House-Building Council.
MLA
National House Building Council, . Supplement to Practice Note 3 (1985) Building Near Trees : a quick way to find the right depth of foundations on clay soils. London: National House-Building Council. 1986.
