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Lua i Stíl Chicago (17ú heag.)Rundel, P.W, agus J.R. : Nagy Ehleringer. Stable Isotopes Ecological Research. New York: Springer-Verlag, 1989.
Lua MLA (9ú heag.)Rundel, P.W, agus J.R. : Nagy Ehleringer. Stable Isotopes Ecological Research. Springer-Verlag, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.