(1974). Open University. Ecology Course Team. Population dynamics. Milton Keynes: Open University Press.
Lua i Stíl Chicago (17ú heag.)Open University. Ecology Course Team. Population Dynamics. Milton Keynes: Open University Press, 1974.
Lua MLA (9ú heag.)Open University. Ecology Course Team. Population Dynamics. Milton Keynes: Open University Press, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.