Unsworth, M., & Ormrod, D. (1982). Effects of gaseous air pollution in agriculture and horticulture. Butterworth Scientific.
Citazione stile Chigago Style (17a edizione)Unsworth, M.H, e D.P Ormrod. Effects of Gaseous Air Pollution in Agriculture and Horticulture. London: Butterworth Scientific, 1982.
Citatione MLA (9a ed.)Unsworth, M.H, e D.P Ormrod. Effects of Gaseous Air Pollution in Agriculture and Horticulture. Butterworth Scientific, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.