Bilbrough, H. (1971). The use of tree plantations as elements of landscape design, with special reference to published texts of the eighteenth and nineteenth centuries.
Lua i Stíl Chicago (17ú heag.)Bilbrough, Hugh. The Use of Tree Plantations as Elements of Landscape Design, with Special Reference to Published Texts of the Eighteenth and Nineteenth Centuries. 1971.
Lua MLA (8ú heag.)Bilbrough, Hugh. The Use of Tree Plantations as Elements of Landscape Design, with Special Reference to Published Texts of the Eighteenth and Nineteenth Centuries. 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.