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Lua i Stíl Chicago (17ú heag.)Crewe, P., R. Gratwick, agus A. Grafen. Defining Fitness in an Uncertain World. Springer Berlin Heidelberg, 2017.
Lua MLA (9ú heag.)Crewe, P., et al. Defining Fitness in an Uncertain World. Springer Berlin Heidelberg, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.