Parker, S. (1986). Science project book of plants. Marshall Cavendish.
Lua i Stíl Chicago (17ú heag.)Parker, Steve. Science Project Book of Plants. London: Marshall Cavendish, 1986.
Lua MLA (9ú heag.)Parker, Steve. Science Project Book of Plants. Marshall Cavendish, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.