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Lua i Stíl Chicago (17ú heag.)Merila, J., B. Sheldon, agus S. Griffith. Heterotic Effects on Fitness in a Wild Bird Population. 2003.
Lua MLA (9ú heag.)Merila, J., et al. Heterotic Effects on Fitness in a Wild Bird Population. 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.