Alford, D. V. (2012). Pests of ornamental trees, shrubs and flowers: A colour handbook (2nd ed.). Manson Pub..
Cita Chicago Style (17a ed.)Alford, D. V. Pests of Ornamental Trees, Shrubs and Flowers: A Colour Handbook. 2nd ed. London: Manson Pub., 2012.
Cita MLA (8a ed.)Alford, D. V. Pests of Ornamental Trees, Shrubs and Flowers: A Colour Handbook. 2nd ed. Manson Pub., 2012.
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