McElwain, J., Wagner, P., & Hesselbo, S. (2009). Fossil plant relative abundances indicate sudden loss of Late Triassic biodiversity in East Greenland.
Lua i Stíl Chicago (17ú heag.)McElwain, J., P. Wagner, agus S. Hesselbo. Fossil Plant Relative Abundances Indicate Sudden Loss of Late Triassic Biodiversity in East Greenland. 2009.
Lua MLA (9ú heag.)McElwain, J., et al. Fossil Plant Relative Abundances Indicate Sudden Loss of Late Triassic Biodiversity in East Greenland. 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.