ebrary, Inc, & Cuddington, K. (2007). Ecosystem engineers: Plants to protists. Academic Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Kim Cuddington. Ecosystem Engineers: Plants to Protists. Amsterdam ; Boston: Academic Press, 2007.
Lua MLA (9ú heag.)ebrary, Inc, agus Kim Cuddington. Ecosystem Engineers: Plants to Protists. Academic Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.