Coulson, T., Catchpole, E., Albon, S., Morgan, B., Pemberton, J., Clutton-Brock, T., . . . Grenfell, B. (2001). Age, sex, density, winter weather, and population crashes in Soay sheep.
Lua i Stíl Chicago (17ú heag.)Coulson, T., E. Catchpole, S. Albon, B. Morgan, J. Pemberton, T. Clutton-Brock, M. Crawley, agus B. Grenfell. Age, Sex, Density, Winter Weather, and Population Crashes in Soay Sheep. 2001.
Lua MLA (9ú heag.)Coulson, T., et al. Age, Sex, Density, Winter Weather, and Population Crashes in Soay Sheep. 2001.
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