Hallam, T. G., & Levin, S. A. (1986). Mathematical ecology: An introduction. Springer.
Chicago-čujuhus (17. p.)Hallam, Thomas G., juo Simon A. Levin. Mathematical Ecology: An Introduction. New York, USA: Springer, 1986.
MLA-čujuhus (9. p.)Hallam, Thomas G., juo Simon A. Levin. Mathematical Ecology: An Introduction. Springer, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.