Brockway, L. H. c. Science and colonial expansion: The role of the British Royal Botanic Gardens.
Lua i Stíl Chicago (17ú heag.)Brockway, Lucile H. c1979. Science and Colonial Expansion: The Role of the British Royal Botanic Gardens.
Lua MLA (9ú heag.)Brockway, Lucile H. c1979. Science and Colonial Expansion: The Role of the British Royal Botanic Gardens.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.