Schulte, R. P. O. (2001). On the stability of mixed grasslands.
Lua i Stíl Chicago (17ú heag.)Schulte, Rogier Patrick Olaf. On the Stability of Mixed Grasslands. 2001.
Lua MLA (8ú heag.)Schulte, Rogier Patrick Olaf. On the Stability of Mixed Grasslands. 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.