Ovrebo, C. L. (2006). Critic's Choice Essay: Cedar-apple Rust. Oklahoma Native Plant Society.
Lua i Stíl Chicago (17ú heag.)Ovrebo, Clark L. Critic's Choice Essay: Cedar-apple Rust. Oklahoma Native Plant Society, 2006.
Lua MLA (9ú heag.)Ovrebo, Clark L. Critic's Choice Essay: Cedar-apple Rust. Oklahoma Native Plant Society, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.